JEE Mains Model Paper 10

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Question : 11 of 90

Marks: +1, -0

A particle of mass m moves on the x-axis under the influence of a force of attraction towardsthe origin O given by F =

−K

x2

i . If the particle starts from rest at x = a, the speed it will attain

√
2K
m
(
1
x
−
1
a
)
2K
m
(
1
x
−
1
a
)
√
2K
ma
√
2K
mx

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