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(d) A body of 10 kg mass is moving with a velocity of 15 ms 1. When a force is applied onit, its velocity becomes 35 ms after 10 s. Calculate the applied force.(e) Define kef and state its ronti |
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Answer» Acceleration = (35-15)/10= 2m sec^-2F= ma= 10*2= 20 N |
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