Question

A boy of 30 kg is carrying a load of 20 kg to the top of a building of height 13m . Find his total work done . If he can do it in 20 second calculate the power developed by him .​​

Answer 1

Step-by-step explanation:

g of load= 30 kg ( kilogram)

load at top of building=20 kg( kilogram)

building height=13 m(meter)

or"= total work done=?

or"=. power developed by him= ?

now ,

30*20*13÷20

again ,30*20*13

________

20

answer,= 390