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The graph between kinetic energy and velocity is
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Important Questions on Work, Energy and Power
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Beta Question Bank for Medical: Physics>Chapter 8 - Work, Energy and Power>Exercise (Conceptual Questions)>Q 41
A body of mass falls from a height of . What is the loss in potential energy?![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Beta Question Bank for Medical: Physics>Chapter 8 - Work, Energy and Power>Exercise (Conceptual Questions)>Q 42
In stretching a spring by 2 cm energy stored is given by U, then stretching by 10 cm energy stored will be :-![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Beta Question Bank for Medical: Physics>Chapter 8 - Work, Energy and Power>Exercise (Conceptual Questions)>Q 43
If the potential energy of two molecules is given by , then at the equilibrium position, its potential energy is equal to
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Beta Question Bank for Medical: Physics>Chapter 8 - Work, Energy and Power>Exercise (Conceptual Questions)>Q 60
Water is falling on the blades of a turbine at a rate of 100 kg/s from a certain spring. If the height of the spring be 100 metres, the power transferred to the turbine will be :-![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Beta Question Bank for Medical: Physics>Chapter 8 - Work, Energy and Power>Exercise (Conceptual Questions)>Q 69
The potential energy of spring when stretched by a distance is The energy of the spring when stretched by is -![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Beta Question Bank for Medical: Physics>Chapter 8 - Work, Energy and Power>Exercise (Previous Year Questions)>Q 17
A boy of mass 50 kg jumps to a height of 0.8 m from the ground then momentum transferred by the ground to boy is : ![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Beta Question Bank for Medical: Physics>Chapter 8 - Work, Energy and Power>Exercise (Previous Year Questions)>Q 25
Two particles of masses move with initial velocities and . On collision, one of the particles get excited to higher level after absorbing energy . If final velocities of particles be and , then we must have,![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Beta Question Bank for Medical: Physics>Chapter 8 - Work, Energy and Power>Exercise (Assertion & Reason)>Q 14
Assertion : A particle moving one dimensionally in conservative field may have more than one turning points. Reason : Turning point depends on initial velocity.
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