A body weighting 10kg is lifted to a height of 50m in 20s . Find its power,(g=9.8m/s²).
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The formula of power that it depends upon all the factors given is the
- P=(m·a·s·)/t
- Were P is power, m is mass of body, a is gravity acc. , s is displacement, t is time.
- Now put the value in above formula
- P=(10×50×9.8)/20
- P=4900/20
- P=254
- Power is 254
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