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Questions  

A ship of mass 3×107kg  initially at rest is pulled by a force of  5×104N through a distance of 3 m. Assume that the resistance due to water is negligible, the speed of the ship is

a
1.5 m/s
b
60 m/s
c
0.1 m/s
d
5 m/s

detailed solution

Correct option is C

v2=2as=2Fm s       [As u=0]⇒v2=25×1043×107×3=1100⇒v=0.1 m/s

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