Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance Dд beyond the starting line at t=0. The starting line is at x = 0. Car A travels at a constant speed vд. Car B starts at the starting line but has a better engine than Car A, and thus Car B travels at a constant speed up, which is greater than VA

Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance Dд beyond the starting line at t=0. The starting line is at x = 0. Car A travels at a constant speed vд. Car B starts at the starting line but has a better engine than Car A, and thus Car B travels at a constant speed up, which is greater than VA

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 71P: A diver bounces straight up from a diving board, avoiding the diving board on the way down, and...

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2.) A subway train starts from rest at a station and accelerates at a rate of 2.50 mls for 15.9b seconds. H then runs at a constant specd of 35 seconds and then slows down at a rate of 4.50 ml s² until it sto ps at the next station? Q) what is the speed of the frain to finish tħ before It starts slo wing down? Given: Solution: Vi: o mis a: 2.50 m Is² At:15.90 seconds. Vp: (o mls) + (2.50 mls²)( 15.90 s) : 39.75 mls Requined: Equation: Vf = Vi t a At %3D b.) How long did it take the train to finish the trip from one station to the other ? Given: Vf= 39.75 mls t1= 15.90 s solution 0: 39.75 mls - 4.50 ml S*ts : 4.50 m Is² to=89.75 mls = to: 39.75 m ls 4.50 mlsz : 8.83s Requinud: Total time (t) t: s t 8.83 s 15.90s 35S 59.73s Equation: t: tit tz t t3 to: Vf.
A car starts from rest and foes down a slope with constant acceleration of 5m/s2. After 5s, the car reaches the bottom of the hill. What is the car's speed at the bottom of the hill (in meters per second)? O 160 O 50 О 12.5 O 25 O 1
Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance DADAD_A beyond the starting line at t=0t=0. The starting line is at x=0x=0. Car A travels at a constant speed vAvAv_A. Car B starts at the starting line but has a better engine than Car A, and thus Car B travels at a constant speed vBvBv_B, which is greater than vAvAv_A. 2.) How far from Car B's starting line will the cars be when Car B passes Car A? Express your answer in terms of known quantities. (You may use tcatchtcatcht_catch as well.)
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Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance DADAD_A beyond the starting line at t=0t=0. The starting line is at x=0x=0. Car A travels at a constant speed vAvAv_A. Car B starts at the starting line but has a better engine than Car A, and thus Car B travels at a constant speed vBvBv_B, which is greater than vAvAv_A. 1.) How long after Car B started the race will Car B catch up with Car A? Express the time in terms of given quantities.
A seagull can fly at a velocity of 9.00 m/s in still air. (a) If it takes the bird 20.0 mm to travel 6.00 kin straight into an oncoming wind, what is the velocity of the wind? (b) If the bird turns around and flies with the wind, how long will it take the bird to return 6.00 km?
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be fast
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