Conservation of Energy

At which point(s) on the roller coaster is the gravitational potential energy at its maximum?

• A
• B
• C
• D

Tags

NGSS.HS-PS3-2

At which point(s) on the roller coaster is the kinetic energy at its maximum?

• A
• B
• C
• D

Tags

NGSS.HS-PS3-2

In diagram 2, if the mass of the car is 600 kg, what is the change in potential energy from point A to point B?

• 411,600 J
• 294,000
• 176,400 J
• 117,600 J

Tags

NGSS.HS-PS3-1

In diagram 2, if the 600 kg cart is initially at rest, what is its velocity at point B?

• 19.8 m/s
• 15.0 m/s
• 10.3 m/s
• 3.8 m/s

Tags

NGSS.HS-PS2-1

The given graph shows the releation between gravitional potential energy & height . If the mechanical energy at height A= 0.49 what is the kinetic energy

• 0.10 j

• 0.01 j

• 0.5 j

• 0.49 j

Tags

NGSS.HS-PS3-1

Work is:

• A transfer of energy by a force to move and object
• Something you get paid for
• Something you take home
• Makes you sweat

Tags

NGSS.HS-PS2-1

A ball is projected into the air. Where is potential energy the greatest?

• 
• 
• 
• 

Tags

NGSS.HS-PS3-2

As a roller coaster goes downhill

• kinetic energy is converted into potential energy.

• potential energy is converted into kinetic energy.

• electrical energy is converted into potential energy.

• potential energy is converted into electrical energy.

Tags

NGSS.HS-PS3-3

A drawn bow possesses mechanical energy in the form of _______________. After the arrow is released, the energy is transformed into _________________.

• potential energy; mechanical energy

• elastic potential energy; kinetic energy

• gravitational potential energy; kinetic energy

• elastic kinetic energy; mechanical kinetic energy

Tags

NGSS.HS-PS3-2

In the figure, potential energy is being converted into kinetic energy from

• point A to point B

• point B to point C

• The only energy involved here is kinetic.

• Energy is not being converted.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-3