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Gravel is falling on a conveyor belt at ...

Gravel is falling on a conveyor belt at the rate of `12kg s^(-1)`. The extra power required to move the belt with a velocity of `5ms^(-1)` is

A

15W

B

300W

C

30W

D

150W

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Gravel is falling on a conveyor belt at the rate of 12 kg s^(-1) . The extra power required to move the belt with a velocity of 5ms^(-1) is

    A
    15 W
    B
    300 W
    C
    30 W
    D
    150W

  • Sand is falling on a conveyor belt at the rate of 5kg s^(-10 . The extra power required to move the belt with a velocity of 6ms^(-1) is,

    A
    30W
    B
    180W
    C
    150W
    D
    1.2W

  • 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

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