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Answered

a race car accelerates uniformly from 15.5 m/s to 47.1 m/s in 3.5 s. determine the acceleration of the car per second?​

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LINARDVONN7IN

Answer:

Here, initial velocity is u=18.5m/s and final velocity is v=46.1m/s 

Time taken t=2.47s

If a be the acceleration of the car.

Using v=u+at,

46.1=18.5+a(2.47)

⟹ a=11.17m/s2

If S be the distance traveled by car.

Using formula v2−u2=2aS,

(46.1)2−(18.5)2=2(11.17)S

⟹ S=79.8m

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