Calculating Potential Energy

Determine the potential energy of a .5 kg book that is on a 2 m shelf. Gravity is equal to 9.8.

Tags

NGSS.MS-PS3-2

Which of the following is the correct equation for calculating an object's gravitational potential energy?

• PE = mgh

• PE = mg / h

• PE = mg + h

• PE = gh

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NGSS.MS-PS3-2

There is a clock at the top of a tower that is 45m high. The clock weighs 20 kg. Calculate its potential energy. Remember g=9.8 m/s

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NGSS.MS-PS3-2

What is the gravitational potential energy of an 85 kg mountain climber at the summit of a 6267 m volcano?

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NGSS.MS-PS2-4

Which type of potential energy is demonstrated in the image?

• Thermal

• Gravitational

• Electrical

• Nuclear

• Elastic

Tags

NGSS.MS-PS2-4

The upper magnet is hung from the top of a box with a rubber band.

The bottom magnet is held in place at the bottom of a box.

What THREE potential energies are affecting this attraction in the picture?

• Gravitational, Electrical, Chemical

• Gravitational, Elastic, Chemical

• Magnetic, Elastic, Chemical

• Gravitational, Magnetic, Elastic

Tags

NGSS.MS-PS2-5

NGSS.MS-PS3-2

Match the following Potential Energies

• gasoline burns in an automobile engine

• Gravitational

• a bungee jumper reaches the maximum distance from their jump point

• Elastic

• water is heated by release of atomic particles in a reactor

• Chemical

• a car is at the greatest height on the roller coaster

• Electric

• two balloons rubbed on your hair repel each other

• Nuclear

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

The world record for pole vaulting is 6.15 m and the vaulter's mass is 82 kg. Calculate the amount of potential energy. Gravity = 9.8

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NGSS.MS-PS3-2

An Olympic high jumper, with a mass of 82 kg, jumped a height of 2.5 m. What was her potential energy at that point? (Gravity = 9.8)

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

An 2 kg apple is hanging in a tree, 3 m off the ground. What is the gravitational potential energy (gravity = 9.8 m/s²) of the apple?

Tags

NGSS.MS-PS3-2