IDNLearn.com is your go-to platform for finding accurate and reliable answers. Ask anything and receive well-informed answers from our community of experienced professionals.

a 70kg man ascend a flight of stairs of height 4meter in 7secs calculate the power expanded by the man​

Sagot :

Since mass is given and time is given and height is also given then g will be 10m/s. M=70kg, h=4m, t=7s. From p=fXs=mgh/t. P=70X10X4/7. P=2800/7=400N. P=400N