A man of mass 60kg climbing a building a building of 100 steps each 25cm height then work doen [g=10 m/s2]
Answers
Answered by
2
Answer: 15 KJ
Explanation:
A man of mass m = 60kg climbing a building of 100 steps each 25cm height .
so the height of the building is h = 25 x 100 cm = 2500 cm = 25 m.
Work done W = change in potential energy = mgh − 0 = mgh = 60 x 10 x 25
W = 15000 J = 15 KJ .
Similar questions