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

Answer 1

m g h / t ... 75 * 10 * 12 * .20 / 5

Answer 2

360

Answer 3

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