15. An object of mass 10 kg is moving with an initial velocity of 10 m/s. A constant force of acts for 4s on
the object giving it a speed of 2 m/s in the opposite direction. Find the force?
Please guys its tooooo urgent .
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Explanation:
Change in velocity
−2−10=−12
Time required is 4 seconds
a=Δv/t
=−12/4
=−3m/s² Answer
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