Laws of Motion

Related Questions

• A coin is dropped in a lift. It takes time ${t_1}$ to reach the floor when lift is stationary. It takes time ${t_2}$ when lift is moving up with constant acceleration. Then

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• A uniform rope of length l lies on a table. If the coefficient of friction is $\mu $, then the maximum length ${l_1}$ of the part of this rope which can overhang from the edge of the table without sliding down is

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• A gardner waters the plants by a pipe of diameter 1mm. The water comes out at the rate or $10 cm^3/sec$. The reactionary force exerted on the hand of the gardner is

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• An object will continue moving uniformly until

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• A rocket has an initial mass of $20 \times {10^3}\,kg$. If it is to blast off with an initial acceleration of $4\,m{s^{ - 2}}$, the initial thrust needed is $(g\tilde = 10\,m{s^{ - 2}})$

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