SL ARORA-Work, Energy and power-EXERCISE
- A body of mass 2kg is resting on a rough horizontal surface. A force o...
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- A electron and a proton are detected in a cosmic ray experiment, the e...
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- A neutron of mass 1.66xx10^(-27)kg is moving with a speed of 7xx10^(5)...
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- A neutron of mass 1.66xx10^(-27)kg is moving with a speed of 7xx10^(5)...
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- A body of masss 1kg is allowed to fall freely under gravity. Find kine...
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- Two bodies of masses 1g and 16g are moving with equal kinetic energies...
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- If the momentum of a body is increased by 50%, then what will be the p...
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- The kinetic energy of a body decreases by 20%. What is the percentage ...
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- A running man has half the KE that a body of half his mass has. The ma...
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- While catching a cricket ball of mass 200g moving with a velocity of 2...
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- A stone of mass 0.4kg is thrown vertically up with a speed of 9.8ms^(-...
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- A ball is throuwn vertially up with a velcity of 20ms^(-1). At height ...
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- 230 joules were spent in lifing a 10 kg weight to a height of 2 m. Cal...
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- Calculate the work done in lifting a 300 N weight to a height of 10 m ...
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- A bullet of mass 10 g travels horizontally with speed of 100 ms^(-1) a...
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- A simple pendulum of length 1m has a wooden bob of mass 1kg. It is str...
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- A spring gun has a spring constant of 80Ncm^(-1). The spring is compr...
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- A solid of mass 2 kg moving with a velocity of 10ms^(-1) strikes an id...
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- A 16kg block moving on a frictionless horiozntal surface with a veloci...
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- A block of mass 2kg is propped from a heught of 40cm on a spring where...
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