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Ram sager
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Asked: 2021-11-29T08:51:19+00:00 In:

A car retards uniformly at the rate of 5 m/s² and stops in 10 s. The initial velocity of car is:

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Poll Results

0%(A) 10 m/s
0%(B) 5 m/s
100%(C) 50 m/s ( 4 voters )
0%(D)25 m/s
Based On 4 Votes

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    1 Answer

    1. (C) 50 m/s
      Given, velocity, v = 0, acceleration, a = – 5m/s² from equation of motion, v = u + at
      Or, u = – at = – (-5) × 10 = 50 m/s

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