What should be the KE at point C so that energy is conserved?

• 60 Joules

• 40 Joules

• 100 Joules

• 0 Joule

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What should be the potential energy of the ball at point B so that energy is conserved?

• 20 Joules

• 80 Joules

• 100 Joules

• 0 Joules

Tags

NGSS.MS-PS3-2

Which device turns solar [light] energy to electrical energy?

• wind turbines

• solar cells or photovoltaic cells

• thermal power plant

• battery

Tags

NGSS.HS-PS3-3

A 60-kg skater on the photo is about to move. At this point, what is his kinetic energy?

• 0 Joule

• 3,528 Joules

• 588 Joules

• 360 Joules

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

At which point along the track will the skater have the biggest potential energy?

• A only

• F only

• Both A and F

• C only

Tags

NGSS.MS-PS3-2

At which point along the track will the skater have the biggest kinetic energy?

• A only

• F only

• A and F only

• C only

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

An object that has zero kinetic energy must _________

• be moving

• be at rest

• must be on a high place moving

Tags

NGSS.MS-PS2-2

What should be the KE of the ball at point A so that energy is conserved?

• 100 Joules

• 0 Joule

• 40 Joules

• 60 Joules

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What should be the potential energy of the ball at point E so that energy is conserved?

• 0 Joule

• 100 Joules

• 50 Joules

• 20 Joules

Tags

NGSS.MS-PS3-2

The total mechanical energy is the sum of ___________________

• potential energy and kinetic energy

• potential energy and chemical energy

• kinetic energy and nuclear energy

• potential energy and electrical energy

Tags

NGSS.MS-PS3-2