Q.

A particle with a velocity of 2m/s  at t = 0 moves along a straight line with a constant acceleration of 0.2m/s2 . Find the displacement of the particle in 10 s.

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a

40 m

b

35 m

c

50 m

d

30 m

answer is B.

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Detailed Solution

u=2m/s

a=0.2m/s2

t=10s

s=ut+12at2

=2(10)+12(0.2)(10)2

=20+12×210×100

=20+10=30m

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