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Lakhmir singh solutions

A body of mass 2kg is at rest. What should be the magnitude of force which will make the body move with a speed of 30 m/s at the end of 1s?

Mass of the body = 2kg

Initial velocity, u = 0

Final velocity, v = 30 m/s

Time, t = 1s

Acceleration, a = (v-u)/t = 30 \mathrm{m/s^2}

Force = ma = 60N

Mass of the body = 2kg

Initial velocity, u = 0

Final velocity, v = 30 m/s

Time, t = 1s

Acceleration, a = (v-u)/t = 30 \mathrm{m/s^2}

Force = ma = 60N

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