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Time taken by man of weight 580 N to cl...

Time taken by man of weight 580 N to climb up to the top of a towar 80 m high was 4min . What was the power of the man ?

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193.33 W
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CHHAYA PUBLICATION-WORK AND ENERGY-PROBLEM SET -I
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  2. Against an average pressure of 10 cm of mercury, a human heart pumps 5...

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  3. Time taken by man of weight 580 N to climb up to the top of a towar 8...

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  4. A pump lifts 5000kg of water per minute through a height of 12m. Find ...

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  8. A electric motor creates a tension of 4500 N a hoisting cable and reel...

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  9. A bullet of mass 80 g strikes a target at 100 cm*s^(-1). After penetr...

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  10. A body of mass 1kg , at a height of 8m above the ground , is thrown v...

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  11. A body of mass 10 kg is thrown vertically upwards with a velocity of ...

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  12. Linear momenta of two masses m and 2m are equal. What is the ratio of ...

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  13. Kinetic energies of two masses m and 2m are equal. What is the ratio ...

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  14. A bullet of mass m, moving with a velocity u hits a wooden block of ma...

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  15. A bullet of mass 10 g travels horizontally with a speed of 100 m*s^(-1...

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  16. A ball is dropped from rest from a height of 10 m. if it loses 20% of ...

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  17. A pendulum bob of mass 10^(-2) kg is raised to a height of 5xx 10^(-2)...

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  18. A force of 30 N acts on a body of mass 2.0 kg starting from rest upto ...

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  19. A body is kept hanging means of a thread of length 1.25 m. if the body...

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  20. A stone of mass 500 g is tied at one end of a thread . If the stone i...

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