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Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 1 - Motion

Question 31 Exercise

A motorcyclist starts from rest and reaches a speed of 6 m/s after travelling with uniform acceleration for 3s. What is his acceleration?

Answer:

Initial velocity = 0 m/s

Final velocity = 6 m/s

Time = 3 sec

a = (v-u)/t

a = 2 \mathrm{m/s^2}

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