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An engine lifts 200kg of metal to a vert...

An engine lifts 200kg of metal to a vertical height of 30 m in one minute.Find the horsepower of the engine.

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13.14HP
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BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
  1. A bullet of mass 100 g strikes a wooden plank with a velocity of 300ms...

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  2. A force of 100 dynes acts on a particle of mass 0.5 kg for 10 sec. Cal...

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  3. An engine lifts 200kg of metal to a vertical height of 30 m in one min...

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  4. A car of weight 1000 kg moves with a uniform speed of 36Km/hr up an ...

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  5. An engine of weight one metric ton is going up an inclined plane ,mak...

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  6. A ball of mass 1.2 kg moving with velocity 20cm/s collides with anoth...

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  7. A block of mass 2kg moving with certain velocity collides with a block...

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  8. A block of mass 2 kg moving at 2.0m/s collides with another block of e...

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  9. A block of 1.2 kg moving at 20 cm/s collides head-on with a simmilar b...

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  10. A position dependent force F=(7-2x+3x^2)N acts on a small body of mass...

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  11. A body constrained to move in y directions is sunjected to a force F=(...

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  12. The K.E acquired by a mass m travelling a certain distance d starting ...

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  13. A 4 kg mass and a 1 kg mass are moving with equal K.E.The ratio of the...

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  14. If the momentum of a body increases by 50%,its K.E,increases by

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  15. A ball whoes K.E is K is projected at an angle 45° to the horizental.T...

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  16. A stationary particle explodes into two particle of masses m1 and m2 ...

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  17. Two bodies with K.E in ratio 4:1 are moving with equal linear momentum...

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  18. The P.E of a string when stretched by 2 cm is U.Its P.E when stretched...

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  19. A spring of force constant 800 N/m has an extension of 5 cm . The wor...

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  20. If water falls from a dam into a turbine wheel 19.6m below ,the veloc...

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