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At the instant a traffic light turns green, a carstarts moving with a constant a

ID: 1750529 • Letter: A

Question

At the instant a traffic light turns green, a carstarts moving with a constant acceleration a of 2.46m/s2. At the same instant a truck,traveling with a constant speed of 11.43 m/s,overtakes and passes the car. How far beyond the traffic light willthe car overtake the truck?
1.06×102 m
********What will be the speed of the car at thatinstant? At the instant a traffic light turns green, a carstarts moving with a constant acceleration a of 2.46m/s2. At the same instant a truck,traveling with a constant speed of 11.43 m/s,overtakes and passes the car. How far beyond the traffic light willthe car overtake the truck?
1.06×102 m
********What will be the speed of the car at thatinstant?

Explanation / Answer

Use the equation v2 = u2 +2as => v2 = 0 + 2*2.46*1.06*100 => v = 22.837 m/s

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