Asked by adachi ruth

A man whose mass is75kg walks up a stairs of 12steps each 20cm high in 5seconds.calculate the power expended in watts.[assume g=10m\s2
Answered by Scott
m g h / t ... 75 * 10 * 12 * .20 / 5
Answered by Aminata
360
Answered by Aminata
M=75kg T=5sec distancE(s)=12*12=240cm=2.4m f=mg=75*10=750N P=F*S =750*2.4=360W T 5
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