4.6 A constant force acting on a body of mass 3.0 kg changes its speed from to in 25 s

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

4.6 A constant force acting on a body of mass 3.0 kg changes its speed from

2.0 \mathrm{~m} \mathrm{~s}^{-1}

to

3.5 \mathrm{~m} \mathrm{~s}^{-1}

in 25 s . The direction of the motion of the body remains unchanged. What is the magnitude and direction of the force?

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