Conservation of Mechanical Energy

A skater starts with 200 J of KE and 1200 J of PEg. What is the PEg when KE=900 J?

• 900 J

• 1400 J

• 500 J

• 1000 J

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A 100 kg. skier starts at rest at the top of a 30. m hill. What is her total mechanical energy half-way down?

• 30,000 J

• 20,000 J.

• 15,000 J

• 60,000 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

At which point is Kinetic Energy the least?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

At which point will the object both have Potential Energy and Kinetic Energy?

• A

• B

• C

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-4

A man dives off a cliff, on the way down his gravitational PE is:

• increasing

• decreasing

• staying the same

• zero

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

An arrow is fired up in the air - on the way up, the KE is:

• increasing

• decreasing

• staying the same

• zero

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

An arrow is fired up in the air - on the way up, the gravitational PE is:

• increasing

• decreasing

• staying the same

• zero

Tags

NGSS.MS-PS2-4

A rollercoaster has 5000 J of Mechanical Energy. If PEg = 2000 J, what is the kinetic energy?

• 3000 J

• 5000 J

• 2000 J

• 0 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A 100 kg. skier starts at rest at the top of a 30. m hill. What is her total mechanical energy?

• 30,000 J

• 20,000 J.

• 10,000 J

• 40,000 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

A 100 kg. skier starts at rest at the top of a 30. m hill. What is her KE at the bottom?

• 30,000 J

• 0 J.

• 15,000 J

• 60,000 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5