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An engine develops 20 kW of power. How m...

An engine develops 20 kW of power. How much tie will it take to lift a mass of 400 kg to a height lf m? `(g=10 ms^(-2))`

A

`4s`

B

`5s`

C

`8s`

D

`10s`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • An engine develops 10 kW of power. How much time will it take to lift a mass of 200 kg to a height of 40 m. (g=10m//sec^(2))

    A
    4 sec
    B
    5 sec
    C
    8 sec
    D
    10 sec

  • An engine develops 10 kW of power. How much time will it take to lift a mass of 200 kg to a height of 40 m ( g=10(m)/(sec^2) ) ?

    A
    4 sec
    B
    5 sec
    C
    8 sec
    D
    10 sec

  • An engine can develop a power of 5kW. How much time it will take to lift a mass of 100 kg to a height of 80 m? (g=10m//s^(2))

    A
    5s
    B
    10s
    C
    12s
    D
    16s

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