is the ans (b)??
a block a of mass 2 kg rests on a rough horizontal plank ,the coefficient of friction between planck n block =0.2 if planck is puled horizontally with a constant acceleration of 3.96 m/s2 ,the distance moved in metre by block on planck in 5 seconds after starting frm rest
a)25
b)25*0.98
c)25*1.98
d)0
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