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BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
- If the momentum of a body increases by 50%,its K.E,increases by
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- A ball whoes K.E is K is projected at an angle 45° to the horizental.T...
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- A stationary particle explodes into two particle of masses m1 and m2 ...
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- Two bodies with K.E in ratio 4:1 are moving with equal linear momentum...
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- The P.E of a string when stretched by 2 cm is U.Its P.E when stretched...
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- A spring of force constant 800 N/m has an extension of 5 cm . The wor...
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- If water falls from a dam into a turbine wheel 19.6m below ,the veloc...
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- An elastic ball is dropped from a height to 100m.It lose s 20% of its ...
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- A ball dropped from a height og h.If the co-efficient of restitution b...
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- A ball of mass m moving with a constant velocity strikes against a ba...
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- Two particle of masses 1 g and 4g are moving with equal K.E. What is t...
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- A body of mass m is moved to a height to equal to the radius of earth....
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- The momentum of a body is doubled. Its K.E will
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- A wound spring has
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- The unit of energy is
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- If a force F is applied on a body and it moves with a velocity V ,the ...
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- If m is the mass and E the K.E of a body then its linear momenta is
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- The power of awater pump is 2 kw.If g=10ms^-1 the amount of water it c...
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- The P.E of a string when stretched by 2 cm is U.Its P.E when stretched...
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- A bullet hits and gets embedded in a solid block resting on a frictio...
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