A) 5 J
B) 350 J
C) 100 J
D) 3430 J
Correct Answer: D
Solution :
Total mass = (50 + 20) = 70 kg Total height = 20 × 0.25 = 5m \ Work done = mgh = 70 × 9.8 × 5 = 3430 JYou need to login to perform this action.
You will be redirected in
3 sec