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18 August, 18:10

7.) A car starts from rest and accelerates

uniformly at 1.7 m/s/s. How long will it

take the car to reach a speed of 34 m/s?

A 200 s

B 58 s

C 20 s

D2 s

+3
Answers (1)
  1. 18 August, 20:53
    0
    It will take 20 seconds for the car to attain a speed of 34 m/s

    Explanation:

    Acceleration of an object is given by a = velocity/time. Here, acceleration of the car = 1.7 m/s² and velocity = 34 m/s. Using these, find time. Time = velocity/acceleration

    = 34/1.7 = 20 s

    So it takes 20 seconds to attain a speed of 34 m/s
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