Question

I NEED HELP How much power does it take to lift 30.0 kg 10 m high in 5 seconds?

Answer 1

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Power is work done in unit time-

P=W/t

For lifting W=mgh

P=mgh/t

m=30kg

h=10m

t=5sec

g=9.8m/sec2

So P=30x9.8x10/5

=588watt