Work, Energy and Power · Physics · BITSAT

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MCQ (Single Correct Answer)

BITSAT 2022
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...
BITSAT 2021
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 ...
BITSAT 2021
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...
BITSAT 2020
A ball of mass 0.5 kg is thrown up with initial speed 16 ms$$-$$1 and reaches maximum height of 9 m. How much energy is dissipated by air drag acting ...
BITSAT 2020
A time dependent force F = (8t) acts on a particle of mass 2 kg. If the particle starts from rest, the work done by the force during the first 1s will...
BITSAT 2020
The work done by a force acting on a body is as shown in the following graph. The total work done in covering an initial distance of 40 m is ...
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