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Sand is falling on a conveyor belt at t...

Sand is falling on a conveyor belt at the rate of `5kgs^(-1)`. The extra power required to move the belt with a velocity of `6ms^(-1)` is,

A

30 W

B

180 W

C

150 W

D

1.2 W

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-WORK POWER ENERGY-EXERCISE - 2
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  6. A man carries a load of 50 kg to a height of 40 m is 25s. If the power...

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  7. A mass of 0.1 kg is rotated in a vertical circle using a string of leg...

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  8. A 2kg stone is swung in a vertical circle by attaching it at the end o...

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  9. A bob of mass 100 g tied at the end of a string of length 50 cm is rev...

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  10. A 5 kg is rotated in a vertical circle with a constant speed of 4ms^(-...

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  11. A simple pendulum of length .l. carries a bob of mass m. If the breaki...

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  12. A body is tied at the end of a string of length .l. and rotated in a ...

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  13. A ball of mass .m. is rotated in a vertical circle with constant speed...

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  14. A 1 kg ball is rotated in a vertical circle by using a string of lengt...

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  15. A ball of mass m is rotated in a vertical circle with constant speed. ...

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  16. Two identical cars A and B are moving at 36 kmph. A goes on a bridge, ...

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  17. The velocity of a body revolving in a vertical circle of radius r at t...

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  18. The minimum speed of a bucket full of water whirled in a vertical circ...

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  19. An inclined track ends in a circular loop of diameter .D.. From what h...

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  20. A stone of mas 1 kg is tied to one end of a string of length 0.5 m. It...

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