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e is 25.0m behind the A car and a motorcycle start from rest at the same time, b

ID: 1620411 • Letter: E

Question

e is 25.0m behind the A car and a motorcycle start from rest at the same time, but the moto 1. rate of 4.40 m/s car. The car accelerates at a uniform rate of 3.70 m/s2, and the motorcycle at a un How much time elapses before the motorcycle overtakes the car? How far will each have traveled during that time? How far ahead of the car will the motorcycle be 2.00 s later? sketch the graph of the position of the car as a function of time sketch the graph of the position of the motorcycle as a function of time

Explanation / Answer

1 )

given

25 m ,

3.7 m/sec2 and 4.4 m/sec2

a )

t = ( 2 X 25 / ( 4.4 - 3.7 ) )1/2

t = 8.45 sec

b )

car will be travelled this time is 132 m

and

bike will be 156m

c )

S = 1/2 X ( 4.4 - 3.7 ) X 8.452 - 25

S = 13.26 m