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Biblioteka

Copy of Energy Quiz 1 (6/7/2024)

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Posljednje ažuriranje about 2 years ago
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Pitanje 1
1.
Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Potential Energy

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Energy because of an object's motion

Joules

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Energy because of an object's position above the ground due to gravity

Chemical Energy

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The unit for energy and work

Kinetic Energy

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Heat energy

Thermal Energy

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Energy of the atom being split

Nuclear Energy

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Energy of molecular bonds

Pitanje 2
2.

A rock is at the top of a 20 meter tall hill. The rock has a mass of 10 kg. How much potential energy does it have? PE=mgh g = 9.8 m/s^2

Pitanje 3
3.

A 4 kg rock is rolling 10 m/s. Find its kinetic energy. KE= 1/2 mv^2

Pitanje 4
4.

The potential energy of an acorn is 8 J. The acorn is 7 meters of the ground in the tree. What is the mass of the acorn?

Pitanje 5
5.

A boat has 1587 J of energy and a mass of 1200kg. Find the velocity of the boat.