BITSAT
Physics
Work, Energy and Power
Previous Years Questions

MCQ (Single Correct Answer)

A force F = a + bx acts on a particle in the x-direction where a and b are constants. The work done by this force during a displacement from x = 0 to ...
The bob of a pendulum of length 2 m lies at P, when it reaches Q, it losses 10% of its total energy due to air resistance. The velocity of bob at Q i...
A machine gun fires 300 bullets per min if the mass of each bullet is 10 g and the velocity of the bullets is 600 ms$$-$$1, the power (in kW) of the g...
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