a stone of mass 500 gram is thrown vertically upwards with a velocity of 15 metre per second -1 calculate the potential energy at the greatest height, the kinetic energy on reaching the ground and Total energy and is its halfway point
Answers
Answered by
19
Mass = 500g = 0.5kg
Velocity of body = 15m/s
Considering that no energy is lost by air resistance,
¹/₂ mv² = mgh
¹/₂v² = gh
225/2 = 10h
h = 225/20 = 11.25m
Therefore,
PE = mgh = 0.5*10*11.25 = 56.25J
KE = ¹/₂mv² = ¹/₂*0.5*225 = 56.25J
TE = PE at highest point = KE at lowest point = 56.25J
Hope this is helpful to you
Pls mark as brainliest
Follow me and I'll follow you back
Similar questions