Kilogram(kg)
It's not the SI unit of mass in the metric system however.
Answer:
5.5 kg
Explanation:
The gravitational potential energy of an object is given by
where
m is its mass
g is the acceleration of gravity
h is the height of the object above the ground
For the rock in the problem, we know:
h = 12 m is the height above the ground
U = 650 J
g = 9.8 m/s^2
Therefore, we can solve the equation for m, the mass of the rock:
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The nuclear fuel cycle is the series of industrial processes which involve the production of electricity from uranium in nuclear power reactors.
Uranium is a relatively common element that is found throughout the world. It is mined in a number of countries and must be processed before it can be used as fuel for a nuclear reactor.
Fuel removed from a reactor, after it has reached the end of its useful life, can be reprocessed so that most is recycled for new fuel.
