V = Vo + a*t. V = 0, Vo = 20 m/s, t = 2 s., a = ?. "a" will be negative.
F = M*a.
F will be negative which means that the force is opposing the movement.
a body is moving with a velocity of 20 meter per second is apply abrack such that it stop in 2 second mass of body is 20 kg find the forse appley by brack
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