a lemon with mass 0.3 kg falls out of a tree from a height of 1.8 how much mechanical energy does the lemon have just before it hits the ground? (assume there is no air resistance)

Respuesta :

m=0.3 kg
h=1.8 m
g=9.81 m/s²

E=mgh

E=0.3*9.81*1.8=5.3 J