Asked by tracy

How high will a 1.85 kg rock go if thrown straight up by someone who expends 80.0 J of energy on it?

Answers

Answered by Damon
Kinetic energy at ground = 80

Kinetic energy at max height = 0
so
Potential energy at max height = 80
so
m g h = 80

h = 80/(1.85*9.81)
Answered by Anonymous
Kinetic energy at ground = 80

Kinetic energy at max height = 0
so
Potential energy at max height = 80
so
m g h = 80

h = 80/(1.85*9.81)
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