plzz see

JEE Mains 2015 Discussion Forum › Mechanics questions › plzz see

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

#Physics #Mechanics

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7 Answers

1

Anuj ·2009-05-08 10:22:57

is the ans (b)??

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vector ·2009-05-08 10:27:10

an provided is a n i m getting b

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Anuj ·2009-05-08 10:30:01

wt is g given? 10 or 9.8????

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Anuj ·2009-05-08 10:31:37

if we take g=10, ans comes b and if 9.8, then a

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vector ·2009-05-08 10:33:07

nthing mentioned i took it to be 10

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Anuj ·2009-05-08 10:35:07

if taken 9.8, u will get a

so...it means that v had to go by 9.8

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vector ·2009-05-08 10:36:55

kk tx

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Your Answer

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