Questions
A ship of mass 3 x 107 kg initially at rest is pulled by a force of 5x 104 N through a distance of 3 m. Assuming that the resistance due to water is negligible, what will be the speed of the ship ?
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Correct option is A
a=Fm=5×1043×107=53×10−3m/s2Now v2=u2+2as or v2=0+2×(5/3)×10−3×3 v=10−1m/s.Similar Questions
Statement I : The familiar equation mg = R for a body on a table is true only if the body is in equilibrium.
Statement II : The equality of mg and R has no connection with the third law.
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