bonny3477 bonny3477

30-03-2021
Physics

contestada

a ball of mass 45kg thrown upward with a velocity of 40m/s
1. calculate the kinetic energy of the ball
2. if the ball reaches the height of 30m find the potential energy exerted

Respuesta :

yasmeen43 yasmeen43

30-03-2021

1) KE=1/2*m*v^2
1/2*45*40^2
KE=36,000J

2) PE=mgh
45*9.81*30
PE=13243.5J

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