Physics, 17.12.2020 21:20 emmaja121003
In compressed state, a spring 3.00 meters long hanging from the ceiling has a potential energy of 4.9 joules. If the entire potential energy is used to release a ball of mass 1.2 kilograms vertically downward, then what is the kinetic energy of the ball when it reaches the ground?
a
1.2 joules
b
4.9 joules
c
2.0 joules
d
6.8 joules
Answers: 2
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In compressed state, a spring 3.00 meters long hanging from the ceiling has a potential energy of 4....
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