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Gravel is dropped on a conveyor belt at ...

Gravel is dropped on a conveyor belt at the rate of 2 kg/s. The extra force required to keep the belt moving at `3ms^(-1)` is

A

1 N

B

3 N

C

4 N

D

6 N

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Gravel is dropped on a conveyor belt at the rate of 2 kg/s. The extra force required to keep the belt moving at 3 ms^(-1) is

    A
    1 N
    B
    3 N
    C
    4 N
    D
    6 N

  • 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

  • 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

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