Question

calcutale the power of a craneit if lifts and object of mass 1 ton upto 10 meter high at 5 second​

Answer 1

Answer:

Correct option is

D

500 W

Here, m=100 kg,

h=10 m,

t=20 s

g=10 ms

−2

The power of the crane is'

P=

t

mgt

=

(20s)

(100kg)(10 ms

−2

)(10m)

=500 W.

Explanation:

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