PATHFINDER-WORK POWER AND ENERGY-QUESTION BANK
- A particle of mass m has momentum p. What is its kinetic energy ?
01:09
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- A spring is stretched. Is the work down by the stretching force positi...
01:33
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- What is the amount of work done by the force, when the body moves in a...
01:45
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- A ball in thrown up. The magnitude of its momentum first decreases and...
04:22
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- If m is the mass of the body and E is its kinetic energy, then what is...
01:10
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- The momentum of a body is numerically equal to the kinetic energy of t...
01:01
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- What is the type of collision when macroscopic bodies collide?
02:53
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- Throwing mud of the wall is on example of perfectly inelastic collisio...
02:27
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- What type of energy is stored in the spring of a watch?
02:03
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- A light body and a heavy body have the same kinetic energy which one h...
02:32
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- A system consists of two springs connected in series having spring con...
05:47
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- A wooden ball dropped from a height of 2 m. What is the height upto wh...
03:48
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- A light and a heavy body have equal momentum. Which one has greater K....
02:59
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- A lorry and a car moving with the same kinetic energy are brought to r...
02:32
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- A body constrained to move along the z-axis of a coordinate system is ...
02:45
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- A pump on the ground floor of a building can pump up water to fill a t...
03:35
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- A body of mass 0.5 kg travels in a straight line with velocity v=ax^(3...
02:58
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- A uniform chain of length / and mass m is lying on a smooth table and ...
03:47
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- State and explain work energy theorem for a variable force.
07:15
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- An elastic spring of spring constant k is stretched by an amount x fro...
07:06
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