Aprofessional racecar driver buys a car that can accelerate at 5.9 m/s2. the racer decides to race against another driver in a souped-up stock car. both start from rest, but the stock-car driver leaves 1.0 s before the driver of the racecar. the stock car moves with a constant acceleration of 3.6 m/s2. a. find the time it takes the racecar driver to overtake the stock-car driver. b. find the distance the two drivers travel before they are side by side. c. find the velocities of both cars at the instant they are side by side.

(a) Time will be t = 3.56 sec

(b) Distance traveled by car when they are side by side is 37.38712 m

(b) Velocity of race car = 21.004 m/sec

velocity of stock car = 12.816 m/sec            

Explanation:

We have given acceleration of the car

Acceleration of the stock car

When 1st car overtakes the second car then distance traveled by both the car will be same

(a) So

As both car starts from rest so initial velocity of both car will be 0 m/sec

It is given that stock car leaves 1 sec before

So

After solving t = 3.56 sec

(b) From second equation of motion

(c) From first equation pf motion v = u+at

So velocity of race car v = 0+5.9×3.56 = 21.004 m/sec

Velocity of stock car v = 0+ 3.6×3.56 = 12.816 m/sec

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