1: A boy lifts a 10kg box from the ground to his head. if the work done by him be 160 T, then find the height of the boy [g=9.8 m/ See]
Answers
Answered by
0
Answer:
Work done is given by equation
w = mgh
Where m = mass
g = acceleration due to gravity
h = height
Hence work done. = 10 * 9.8 * 5= 490 joules
Similar questions