karinaortiz3036 karinaortiz3036

02-08-2017
Chemistry

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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)

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dec77cat dec77cat

02-08-2017

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

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