Question

A boy of mass 40 kg climbs 10 steps of upstairs each of height 10 cm. Calculate the potential energy the boy possess at the 10th step. [Take g = 10 m/s2]

please help me out with the above mentioned problem​

Answer 1

Answer:

well the answer is 400 this is how

Explanation:

here we see that 1 step,= 10 cm

hence 10 step=100 cm =1 m =total height. (h)

mass=40kg

g=10 hence

pe=mgh = 40×10×1=400