1
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
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 on the ball during the ascent?
2
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
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 be
3
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
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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