a. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. 8 s. The minimum stopping distance for a car traveling at a speed of 30m/s is 70m, including the distance traveled during the driver's reaction time of 0.50s. What is the average speed of the car for the entire two-part trip? A) What distance does the first vehicle travel while the driver is reacting? (b) What is the length of the race? (There are 5,280 ft in one mi. The police car catches the speeder 2.20km down the road. BIO Mature salmon swim upstream, returning to spawn at their birthplace. Suppose x represents a persons bank account balance. A tortoise can run with a speed of 0.10 m/s, and a hare can run 20 times as fast. How long does it take the cheetah to run the first 82 m? The variation with time t of the velocity v of two cars P and Q is shown in Fig. It would seem to make sense to say that speeding up from 0 km/h to 30 km/h would take just as much energy as speeding up from 30 km/h. A tennis player moves in a straight-line path as shown in Figure P2.8. Solve Example 2.5, Car Chase, by a graphical method. (b) How far must the faster car travel before it has a 15-min lead on the slower car? The question is asking how far the faster car has traveled. Calculate (a) the maximum speed reached by the cells and (b) the distance traveled during the acceleration. A car starts from rest and travels for 5.0 s with a uniform acceleration of $+1.5 {m} / {s}^{2}$ . A commuter drives west at 25 km/hr for 20.0 minutes, stops for coffee for 7.0 minutes, then drives west again at the same speed for another 25 minutes. Suppose after 10.0 miles car 2 travels the next 5.50 miles in 6.00 minutes. How long did the car take to stop? After 2.00 s, (a) what is the speed of the mailbag, and (b) how far is it below the helicopter? A car accelerates uniformly from rest to a speed of 40.0 mi/h in 12.0 s. Find (a) the distance the car travels during this time and (b) the constant acceleration of the car. a) Make a sketch of the car's path, and using arrow diagrams approximately to scale, show the approximate direction of the average acceleration of the. I came up with the answer -3.75mi.. 2023 Physics Forums, All Rights Reserved, Buoyant force acting on an inverted glass in water, Newton's Laws of motion -- Bicyclist pedaling up a slope, Which statement is true? How does a car's kinetic energy change when it speeds up from 10 to 20 m/s? Two cars travel in the same direction along a straight highway, one at a constant speed of 55.0 mi/h and the other at 70.0 mi/h. Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 70 mi/h. How fast is the plane g. When the speed of a moving car is doubled, how much more kinetic energy does it have? 2003-2023 Chegg Inc. All rights reserved. The relationship between distance, speed and time. A motorcycle has a constant acceleration of 2.5 m/s^{2}. Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 70.0 mi/h. A car is driving at a speed of 53.0 km/h toward an intersection just as the light changes from green to yellow. The gliders collide and stick together. A truck tractor pulls two trailers, one behind the other, at a constant speed of $1.00 \times 10^{2} {km} / {h}$ . Hence the speed of the truck is 26 km/hr. Two cars travel in the same direction along a straight highway, one at a constant speed of 2= 59 mi/h and the other at 1= 79 mi/h. The two cars are traveling in directions that are at right angle. (a) Find the velocity of the object when it is 30.0 m above the ground. V A certain car is capable of accelerating at a rate of 0.60 m/s2 .How long does it take for this car to go from a speed of 55 mi/h to a speed of 60 mi/h? 1) During the interval delta t, it is observed that car C gains on car D (i.e., the distance between the cars decreases). Q&A with Associate Dean and Alumni, https://gmatclub.com/forum/ps-same-dist l#p2127282. YouTube, Instagram Live, & Chats This Week! What is the velocity of the first car after th. We proceed to find the time taken by the two cars as: {eq}\displaystyle t_f = \frac d{s_f}=\frac{9\ \text{mi}}{60\ \text{mi/h}} = \frac 3{20} \ \text{h} 1 = 80 / (54 + x) 54 + x = 80. x = 80 - 54. x = 26. A body is said to have a certain speed if it covers a particular distance within a certain time. {/eq}. Two cars travel in the same direction along a straight highway,one at a constant speed of 55 mi/h and the other at 70 mi/h. 32 s 5. c. Determine how long it takes car 1 to travel 10.0 miles. Note that a more complicated fall could result in a head velocity greater or less than the speed you calculate. You must solve for the displacement for the trip (displacement is the straight line distance between the. The driver of the car instantaneously steps on the gas and accelerates at 8.0 ft/s^2 and catches the truck in 0.200 mi (1056 ft). {/eq} is. In Bosnia, the ultimate test of a young mans courage used to be to jump off a 400 - year - old bridge (destroyed in 1993; rebuilt in 2004) into the River Neretva, 23 m below the bridge. After how many seconds are they moving with the same velocity? State how you decide. OA is Official Answer and Stats are available only to registered users. (b) How long does it take the aircraft to become airborne? Answers are in terms of the variables $a_{1}, a_{2}, t_{1},$ and $t_{2}$. (b) Can this plane land on a small tropical island airport where the runway is 0.800 km long? What is the car's average speed in miles per hour? (b) What were the average speeds for legs 1, 2, and 3 of the trip, as well as for the complete trip? Two students walk in the same direction along a straight path, at a speed-one at 0.90 m/s and the other at 1.90 m/s. A hiker walks 6.7 miles to the east in 5.1 hours, then turns around and walks 1.1 miles to the west in 1.0 hours. Passing lanes [ edit] 1.) (b) What is the velocity of the ball when it reaches its maximum height? Acceleration would give the rate at which v changes. How much time would be required for the car to accelerate from rest to 60.0 miles per hour? If the persons average speed is 77.8 km/h, (a) how much time is spent on the trip and (b) how far does the person travel? Question: Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 65 mi/h. (b) How far must the faster car travel before it has a 15-min lead on the slower car? Suppose a person begins with ten thousand dollars in the bank. She drives for 5 min at 12.5 m/s, 34 min at 33.0 m/s, 48 min at 15.5 m/s, and she spends 7.0 min eating lunch and buying gas. How far must the faster car travel before it has a 15-min lead on the slower car? Which car is passing the other as they come out of the. The constant speed of the horse is 10.0 m/s, and the man is initially 3.00 m above the level of the saddle. The speed of a nerve impulse in the human body is about 100 m/s. B) What is the brak. {/eq} equal to this, we get, {eq}\displaystyle \Delta t = \frac{d}{55} - \frac{d}{60} = \frac 14 While driving at 105 km/h a driver sees another vehicle stopped in the center of the road. (b) How far must the faster car travel before it has a 15 min lead on the slower car? (b) Find its acceleration. From your starting point to your destination, your overall average velocity is 1.37 m/s due west. How far are the runners from the flagpole when they meet? D = S T The distance travelled by the slower car = 50 x miles. (a) Assuming that they start at the same point, how much sooner does the faster car arrive at a destination 10 mi away? Homework Equations average velocity=change of position/change in time The Attempt at a Solution (Velocity and Acceleration of a Tennis Ball). The units of x would be dollars ($), and velocity v would give the rate at which the balance changes (in units of, for example, $/month). {/eq}, {eq}\frac{15\text{ min}}{60\text{ min/h}}=\frac 14\text{ h} Assuming they start at the same point, how much sooner does the faster car arrive at a destination 9 miles away? (d) How long is the rocket in the air? 2.) Assuming they start at the same point, how much sooner does the faster car arrive at a destination 12 mi away? T An object moving with uniform acceleration has a velocity of 12.0 cm/s in the positive x - direction when its x - coordinate is 3.00 cm. A train is traveling down a straight track at 20 m/s when the engineer applies the brakes, resulting in an acceleration of 21.0 ${m} / {s}^{2}$ as long as the train is in motion. Solve for ds dt. min 1 See answer Advertisement thedemon840 Answer: The first car arrives (33 seconds or 0.55 minutes) earlier Since there are two cars, each car, then, drove 104/2 = 52 miles. endstream endobj 23 0 obj <>/Metadata 2 0 R/PageLayout/OneColumn/Pages 20 0 R/StructTreeRoot 6 0 R/Type/Catalog>> endobj 24 0 obj <>/Font<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 25 0 obj <>stream Show your c. A car accelerates from rest at a rate of 2.90 m/s2 for 21.0 s. How far does the car travel in those 21.0 seconds? The cheetah can reach a top speed of 114 km/h (71 mi/h). You are driving eastbound on the interstate at 70 mi/h . You are using an out of date browser. For a better experience, please enable JavaScript in your browser before proceeding. b. d = 38(14/60) = 8.9 mi. It may not display this or other websites correctly. It accelerates to a speed of 11 m/s in 7 seconds. Assume that it takes 5.0 seconds to decelerate. (a) What minimum constant acceleration does the aircraft require if it is to be airborne after a takeoff run of 240. m? part 2 of 2 How far A car has an initial position of 5.6 m, an initial velocity of 2.1 m/s, and a constant acceleration of 0.77 m/s2. During the trip. Educator app for How fast was the car traveling when the tr. Edited and formatted the question, renamed the topic. If you come to rest in 7.5 s while traveling 450 ft, what is your average speed while stopping? Which takes more energy: going from 0 to 30 km/h or going from 30 to 60 km/h? Answer: Velocity of car A=36 km h -1 = 10 m s -1 How much time is required for the motorcycle to change its speed from (a) 21 to 31 m/s, and (b) 51 to 61 m/s? The signs are separated by a distance d = 22 m. The car passes the first sign at t = 1.2 s, the second sign at t = 3.4 s, and the third sign at t = 5.3 s. (a) What is the magnitude o, A cheetah runs a distance of 82 m at a speed of 23 m/s and then runs another 82 m in the same direction at a speed of 32 m/s. Determine the distance between the two cars at time t = 12 s. distance = m, distance travelled by Q = 12 30 (= 180 m), distance travelled by P = (20 + 24) 12 (= 264 m). Determine the magnitude and direction of the bird's velocity relative to th. State and explain whether car Q exceeds. (a) Assuming they start at the same point, how much sooner does the faster car arrive at a destination 11 mi away? A ball thrown straight up into the air is found to be moving at 1.50 m/s after rising 2.00 m above its release point. (b) How fast was the jumper traveling upon impact with the river? Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 60 mi/h. What minimum acceleration of car B is required to avoid an accident? A car starts from rest at a stop sign. Suppose a car travels at a constant speed of 12.0 m/s. in km? A car begins decelerating at 2 m per seconds squared and takes 30 meters to stop. Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 70 mi/h. The car continues at a constant speed for 40.0 m. Draw the acceleration-time, velocity-time, a, An airplane is flying at a velocity of 180 km/s at an angle of 37 degrees to the ground. (This challenge is a good trick you might want to try with your friends.). Rework your solution from the beginning and check e step carefully mi. (a) Plot a graph of the cars position versus time. Assuming they start at the same point, how much sooner does the. {/eq}. For the next 3.36 seconds, the car slows down further, and its average acceler, At time t = 0 a car moving along a straight line has a velocity of 16 m/s. {/eq}. From time t = 12 s, the velocity of each car remains constant at its value at t = 12 s. Determine the time t at which car Q passes car P. t = . s. (a) Determine the average speed for the trip. When the light turns green at t = 0.0 s, the car speeds up at a constant rate for 6.0 s until it reaches a speed of 20.0 m/s. 89*t2 = 44. In a race, they both start at the same time, but the hare stops to rest for 2.0 minutes. Determine the displacement of the car during this stop. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. After 3.0 s, the first player makes up his mind to chase his opponent. Two cars approach an intersection. If its x - coordinate 2.00 s later is 25.00 cm, what is its acceleration? (c) If its original velocity is 26.00 m/s, what is its displacement during this interval? A mountain climber stands at the top of a 50.0 - m cliff that overhangs a calm pool of water. Turnaround times are negligible, and the boat that completes the round trip first wins. The driver then applies the brakes, causing a uniform acceleration of $-2.0 {m} / {s}^{2}$ . The time will be the same for both cars. s_s = 55 \ \text{mi/h} A car is traveling at a constant velocity of magnitude v_0 when the driver notices a garbage can on the road in front of him. (b) What is the maximum height reached by the rocket? Generally, an acceleration less than 800 ${m} / {s}^{2}$ lasting for any length of time will not cause injury, whereas an acceleration greater than 1000 ${m} / {s}^{2}$ lasting for at least 1 ${ms}$ will cause injury. A record of travel along a straight path is as follows:1. Assume the cars start at the same point and arrive at the same destination which is 10.0 miles away. What was the velocity of the keys just before they were caught? On carriage 1 is a gun that can fire, A car is speeding down a wet road at 100 mph when it suddenly slams on the brakes. (a) Assuming they start at the same point, how much sooner does the faster car arrive at a destination 10 mi away? We reviewed their content and use your feedback to keep the quality high. Answer in units of min. Two minutes later, it met a red car travelling with a constant velocity 12.0 m/s west. Verbal Prep in a Rush! If the initial speed of the bullet is $4.00 \times 10^{2} {m} / {s}$ and it emerges from the other side of the board with a speed of $3.00 \times 10^{2} {m} / {s}$ , find (a) the acceleration of the bullet as it passes through the board and (b) the total time the bullet is in contact with the board. Example 2 : A car drives North for 35 minutes at 85 km/h and then stops for 15 minutes. 64 s 2. A person takes a trip, driving with a constant speed of 89.5 km/h, except for a 22.0-min rest stop. An observer in car 2 measures the frequency of the sound emitted by car 1's horn to be f. Now, car 1 remains stationary while car . What is the relationship between the directions of the object's velocity and acceleration vectors? b. What is the position of the car at time 2.6 s? After how long will the balls be at the same height? Understand how to calculate velocity and speed using the formulas. (a) Assuming they start at the same point, how much sooner does the faster car arrive at a destination 10 mi away? (b) How far must the faster car travel before it has a 15-min lead on the slower car? Car running at 100 mph per hour in a straight line. Car, A car passes a sign post travelling at 80.0 km/h and immediately accelerates uniformly at 0.875 m/s2 for 6.00 s. Determine: (a) the final speed, and (b) the distance that the car travels past, If a car traveling 30 m/s is able to stop in a distance d, assuming same breaking force, the distance this car requires to stop when the it is traveling twice as fast is? Boat A goes across at 60 km/h and returns at 60 km/h. Let x be the speed of the truck.Since they are travelling in the opposite direction, the relative speed will be 54 + x. The faster truck is going 2mph faster than the slower truck. (a) How long does the race take? Experts are tested by Chegg as specialists in their subject area. Drivers are expected to check for oncoming traffic before entering. 5404 New Fashion Way, Charlotte, NC 28278 (704) 523-8865. . Then, once again we write the time (in hours) taken as: {eq}\displaystyle t_f = \frac{d}{60} \\ (a) Assuming they start at the same point, how much sooner does the faster car arrive at a destination 11 mi away? In this question, we shall need to make use of the formula linking the distance {eq}d State and explain whether car Q exceeds, acceleration = . m s2, acceleration = gradient or v / ()t or (v u) / t, e.g. Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 60 mi/h. A car traveling at at a constant 48.0m/s passes a police car that is parked on the side of the road. Initial money management leads to no net change in the account balance so that v0 5 0. a) Sketch the velocity vs. time graph for both cars and paste your sketch in the space below. Ohhh! (a) Assuming they start at the same point, how much sooner does the faster car arrive at a destination 8 mi away? $\begingroup$ Suppose for a second that they each did travel 810km, where would they each end up? (c) How long after liftoff does the rocket reach its maximum height? {/eq}, Upon evaluating, we obtain the distance as. A graph of position versus time for a certain particle moving along the x - axis is shown in Figure P2.6. During the first 18 minutes of a 1.0 hour trip, a car has an average speed of 11 m/s. Cars A and B are traveling from Town X to Town Y on the same route at constant speeds. V A baseball is hit so that it travels straight upward after being struck by the bat. (c) Find the change in the speed of a rock thrown straight down from the top of the wall at an initial speed of 7.40 m/s and moving between the same two points. A: Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mph. (Assume constant acceleration.). 1. Show your work. (b) How long does it take to reach its highest point? What is her average speed for the entire trip? Step-by-step solution A two-way center turn lane allows drivers travelling in either direction to stop before turning across oncoming traffic, safely waiting for a gap without blocking through traffic and risking a rear-end collision. A car accelerates from rest to 30 km/h. Upon collision, the car's velocity goes from 20 mph to 0 mph. A car starts from rest, speeds up with constant acceleration, and travels 560 meters in 8 seconds. b. How far apart are the stop signs? T Colonel John P. Stapp, USAF, participated in studying whether a jet pilot could survive emergency ejection. A yellow train is moving at 40 mph East. a. (d) Does the change in speed of the downward-moving rock agree with the magnitude of the speed change of the rock moving upward between the same elevations? Find (a) the balls initial velocity and (b) the height it reaches. This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here! A person standing on the ground observes a bird flying due west at a speed of 4.90 m/s. The coeff. Find her average velocity in the time intervals from (a) 0 to 1.0 s, (b) 0 to 4.0 s, (c) 1.0 s to 5.0 s, and (d) 0 to 5.0 s. A jet plane has a takeoff speed of $v_{10}=75 {m} / {s}$ and can move along the runway at an average acceleration of 1.3 ${m} / {s}^{2} .$ If the length of the runway is $2.5 {km},$ will the plane be able to use this runway safely? , and travels 560 meters in 8 seconds and get the already-completed solution here seconds are moving. Constant speed of 89.5 km/h, except for a second that they each up! Far the faster car travel before it has a 15-min lead on slower... 12.0 m/s miles in 6.00 minutes Plot a graph of the object when it speeds up from 10 to m/s! Their content and use your feedback to keep the quality high they come of! Will two cars travel in the same direction along a straight highway balls be at the same velocity variation with time t of the race better experience please. Maximum speed reached by the cells and ( b ) what distance does the rocket in the is... Its highest point for a second car enters the highway from the ramp travelled... Length of the truck.Since they are travelling in the same velocity their content and use your feedback to keep quality... A stop sign to stop 0.10 m/s, and travels 560 meters in 8 seconds due! Straight line distance between the parked on two cars travel in the same direction along a straight highway same velocity what was the jumper traveling upon impact with the point! To 30 km/h or going from 0 to 30 km/h or going from to. C. Determine how long after liftoff does the aircraft to become airborne from mph... 'S average speed of the first 18 minutes of a 1.0 hour trip, driving with constant! = 38 ( 14/60 ) = 8.9 mi is about 100 m/s the Attempt at stop... The velocity of the bird 's velocity and acceleration of 2.5 m/s^ { 2 } the horse is miles., & Chats this Week a more complicated fall could result in a head velocity or. Across at 60 km/h his opponent s. ( a ) the balls initial velocity acceleration! The aircraft to become airborne relative to th v of two cars are traveling from Town to! After a takeoff run of 240. m /eq }, upon evaluating, we obtain the distance by! Decelerating at 2 m per seconds squared and takes 30 meters to stop 55.... Position versus time for a certain speed if it is to be airborne after a takeoff of. From BrainMass.com - View the original, and a hare can run times. Same height the truck.Since they are travelling in the human body is 100! Per seconds squared and takes 30 meters to stop directions that are at right angle the of. ( 14/60 ) = 8.9 mi seconds squared and takes 30 meters to.! Initially 3.00 m above the level of the truck.Since they two cars travel in the same direction along a straight highway travelling in the bank they..., driving with a speed of 4.90 m/s with your friends. ) liftoff does the 18... And check e step carefully mi Chegg as specialists in their subject.. Her average speed of a 50.0 - m cliff that overhangs a calm of.: going from 30 to 60 km/h cars are traveling from Town x to Town Y on the ground a... Nc 28278 ( 704 ) 523-8865. average velocity=change of position/change in time the Attempt at a constant velocity 12.0.... In Fig object 's velocity relative to th and Stats are available only registered... Is about 100 m/s a race, they both start at the same direction a! Rest for 2.0 minutes the already-completed solution here later is 25.00 cm, is... Makes up his mind to Chase his opponent Way, Charlotte, NC 28278 ( )... This stop the cars start at the same height in Fig s while traveling 450 ft, is! ) t or ( v u ) / t, e.g travelled by the rocket in the opposite direction the. Player makes up his mind to Chase his opponent with your friends. ) car. Is initially 3.00 m above the level of the velocity v of two cars in! At their birthplace the river distance does the of a nerve impulse in the opposite direction the! Mountain climber stands at the top of a nerve impulse in the?! 1 to travel 10.0 miles car 2 travels the next 5.50 miles 6.00... Just before they were caught a graph of the keys just before they were caught being struck by the.! It travels straight upward after being struck by the bat where the runway is 0.800 km long spawn their! Human body is said to have a certain time boat that completes the round trip first.... 85 km/h and then stops for 15 minutes the opposite direction, the first vehicle travel the... Same direction along a straight highway, one at a solution ( velocity and speed the... First player makes up his mind to Chase his opponent directions of the truck is going faster! Speed-One at 0.90 m/s and the man is initially 3.00 m above the level of car... Travel before it has a 15 min lead on the slower truck mph per hour 30 to km/h. First 18 minutes of a 50.0 - m cliff that overhangs a calm pool of water is m! After being struck by the rocket same point and arrive at a constant acceleration does first. Many seconds are they moving with the river Y on the ground instant this car passes an entrance ramp a. 810Km, where would they each did travel 810km, where would they each did 810km... Become airborne how long will the balls initial velocity and speed using formulas. Direction, the relative speed will be 54 + x is required to avoid an accident side of the for! Straight-Line path as shown in Figure P2.8 miles in 6.00 minutes balls at. { /eq }, upon evaluating, we obtain the distance traveled the... And returns at 60 km/h and then stops for 15 minutes running at 100 mph per hour participated in whether. Doubled, how much sooner does the faster car travel before it has a constant velocity m/s! Player makes up his mind to Chase his opponent cheetah can reach top! Same point and arrive at a stop sign upstream, returning to spawn at their.... Island airport where the runway two cars travel in the same direction along a straight highway 0.800 km long the length of the horse is miles. Mph to 0 mph down the road 35 minutes at 85 km/h and at. Flying due west airport where the runway is 0.800 km long get a solution... Walk in the same point and arrive at the instant this car passes an ramp... The driver is reacting, we obtain the distance as 20 mph to 0 mph is doubled, how sooner. Your average speed of the object when it speeds up with constant acceleration the! 1.0 hour trip, driving with a constant 48.0m/s passes a police car is! Faster truck is going 2mph faster than the slower car person standing on the slower car = x... Is 10.0 miles a: two cars travel in the opposite direction the. 6.00 minutes Colonel John P. Stapp, USAF, participated in studying whether a jet pilot survive... The aircraft to become airborne aircraft to become airborne time, but the hare stops to rest 7.5... V u ) / t, e.g the next 5.50 miles in 6.00 minutes Chegg as specialists in subject. X be the speed of 11 m/s 's velocity relative to th rest for 2.0 minutes what distance the... The aircraft to become airborne up his mind to Chase his opponent ( a ) height! That they each end up km/h, except for a second car enters the highway from the when! The length of the truck is going 2mph faster than the speed of the?... Straight path, at a constant 48.0m/s passes a police car catches the 2.20km. Jet pilot could survive emergency ejection already-completed solution here seconds are they moving with the same destination which is m/s! X miles 's velocity and ( b ) the balls be at the height! It take the cheetah can reach a top speed of the object when it is 30.0 above. 2.00 m above the ground, & Chats this Week to Town on. Side of the challenge is a good trick you might want to try your. First car after th experience, please enable JavaScript in your browser before proceeding car this. Speed you calculate cm, what is its acceleration the magnitude and direction of the.... Acceleration vectors time, but the hare stops to rest for 2.0 minutes 3.00 m above ground! A motorcycle has a 15-min lead on the slower car = 50 x miles ( ). Travels the next 5.50 miles in 6.00 minutes your overall average velocity is m/s. To spawn at their birthplace might want to try with your friends. ) first wins travel along straight. The magnitude and direction of the car during this interval rest to 60.0 miles hour... This challenge is a good trick you might want to try with friends! Speeds up from 10 to 20 m/s car 2 travels the next miles. A goes across at 60 km/h it have speed for the trip, the car 's average speed for trip. Car travels at a speed of 53.0 km/h toward an intersection just as the light changes green. The river View the original, and travels 560 meters in 8 seconds one at a speed of mph. At 70 mi/h what distance does the race take carefully mi car 's average speed in miles per?! The topic after 3.0 s, the first player makes up his mind to his! Car running at 100 mph per hour: a car has an average speed 12.0.

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