KE, GPE and ME

You serve a volleyball with a mass of 2 kg. The ball leaves your hand with a speed of 30 m/s. What is the KE of the ball?

• 900 J

• 900

• 900 m

• 900 s

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

The acceleration of an object due to gravity on Earth is...

• 8.9 m/s²
• 9.8 m/s²
• It depends on the mass of an object
• Equal to its kinetic energy

Tags

NGSS.HS-PS2-4

A skydiver jumps from a plane and is halfway through her descent. At this point in time she has...

• Kinetic Energy
• Gravitational Potential Energy
• Both Kinetic and Gravitational Potential Energy
• She has no energy

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following has the greatest amount of kinetic energy?

• A small baby thinking about running at 15 m/s

• A toddler running at 15 m/s

• Mrs. Roberts running at 15 m/s

• Lebron James running at 15 m/s.

Which of the following affects the gravitational potential energy of an object?

• The mass of the object
• The height of the object
• The velocity of the object
• Both the mass and height of the object

Tags

NGSS.MS-PS3-2

Energy that is stored (not in use, not moving)

• Kinetic energy

• Mechanical energy

• potential energy

• thermal energy

Tags

NGSS.MS-PS3-2

When a trampoline "springs" up, this is an example of ______.

• GPE (Gravitational Potential Energy)

• EPE (Elastic Potential Energy)

• KE (Kinetic Energy)

Energy due to motion= ____________ energy.

• Potential

• Elastic

• Kinetic

• Friction

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

When a pendulum swings, at which point is kinetic energy highest?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Energy can be transformed from one type of energy to another.

• True

• False