Physics
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Easy
Question
A block B. placed on a horizontal surface is pulled with initial velocity V. If the coefficient of kinetic friction between surface and block is µ . than after bons much time, block will come to rest ?
The correct answer is:
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An impulsive force of 100 N acts on a body for 1 sec What is the change in its linear momentum ?
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Assertion : It is difficult to move bike with its breaks on.
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A mass of 6 kg is suspended by a rope of length 2 m form the ceiling . A force of 50 N in the horizental direction is applied at the mid Point P of the rope as shown in figure. what is the angle the rope makes. with the vertical in equilibrium ? (g=10 ms2) Neglect mass of the rope:
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Two bodies A and B each of mass m are fixed together by a massless spring A force F acts on the mass B as shown in figure. At the instant shown, a body A has an aceclration a. what is the acceleration of B
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