A professional race-car driver buys a car thatcan accelerate at 6.7 m/s2. The ra

Question

A professional race-car driver buys a car thatcan accelerate at 6.7 m/s2. The racer decidesto race against another driver in a soupedup stock car. Both start from rest, but thestock-car driver leaves 1.2 s before the driverof the sports car. The stock car moves with aconstant acceleration of +3.9 m/s2.

a-Find the time it takes the sports-car driverto overtake the stock-car driver.Answer in units of s

b-Find the distance the two drivers travelbefore they are side by side.Answer in units of m

c-Find the velocity of the race car when thetwo drivers are side by side.Answer in units of m/s

d-Find the velocity of the stock car when thetwo drivers are side by side.Answer in units of m/s

Explanation / Answer

a)3.87 sec. b)50.19 m c)25.93 m/sec d)19.78 m/sec

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