An engine develops 10 KW of power How much time will it take to lift mass of 200 kg to a height of 40 m
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Power,P=energy / time
= mgh/ t
where m= mass = 200kg
h=40 m
g=10 m/s²(approx.)
Hence,
Power, P= 10x10³ W
= [(200)x(40)X(10)]÷t
Therefore, t, time= 8 s
= mgh/ t
where m= mass = 200kg
h=40 m
g=10 m/s²(approx.)
Hence,
Power, P= 10x10³ W
= [(200)x(40)X(10)]÷t
Therefore, t, time= 8 s
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