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SL ARORA-Work, Energy and power-EXERCISE
- Water falls from a height of 60 m at the rate 15 kg//s to operate a tu...
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- The power of a water pump is 2 kW. If g = 10 m//s^2, the amount of wat...
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- 250 N force is required to raise 75 kg mass from a pulley. If rope is ...
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- A shell in its flight, explodes into four unequal parts. Which of the ...
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- A body of mass m moving with velocity 3km//h collides with a body of m...
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- A metal ball of mass 2 kg moving with speed of 36 Km//h has a collisio...
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- Two identical balls A and B collide head on elastically. If velocities...
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- The coefficient of restitution e for a perfectly elastic collision is
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- A ball moving with velocity 2 ms^(-1) collides head on with another st...
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- Two particles A and B, move with constant velocities vec(v(1))" and "v...
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- Two sphere A and B of masses m(1) and m(2) respectivelly colides. A is...
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- On a friction surface a block a mass M moving at speed v collides elas...
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- Two particles of masses m(1),m(2) move with initial velocities u(1) an...
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- Consider a drop of rain water having mass 1 g falling from a height of...
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- A body of mass 1 kg begins to move under the action of a time dependen...
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- A particle moves From a point (-2hati+5hatj)" to" (4hatj+3hatk) When a...
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- A bullet of mass 10 g moving horizontally with a velocity of 400ms^(-1...
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- Two identiacal balls A and B having velocities of 0.5 m/s and 0.3" m...
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- A body initially rest and sliding along a frictionless trick from a he...
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- A moving block having mass m, collides with another stationary block h...
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