Energy Conservation Practice 2

Put the points on the roller coaster in order from greatest gravitational potential energy (on the left) to least gravitational potential energy.

• B

• C

• A

• E

• D

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

Put the points on the roller coaster in order from greatest kinetic energy (on the left) to least kinetic energy.

• C

• E

• D

• A

• B

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is the equation for gravitational potential energy?​ ​ (a)  

• mgh
• Fd
• W/t

Tags

NGSS.HS-PS3-2

What is the equation for work?​ (a)  

• Fd
• W/t

What is the equation for kinetic energy?​ ​ (a)  

• W/t

If the kinetic energy of 20 kg object is 800 J how fast is the object moving?

• 80 m/s

• 160 m/s

• 40 m/s

• 8.94 m/s

• 12.86 m/s

Tags

NGSS.HS-PS3-2

Energy can neither be ​ (a)   nor​ (b)   ​ It can can only be ​ (c)   from one form to ​ ​ (d)  

• created
• destroyed
• Transformed
• another

Tags

NGSS.HS-PS1-4

If an 40 kg object has 1000 J of gravitational potential energy how high off the ground is the object?

• 25 m

• 40000 m

• 2.55 m

• 10.12 m

• 22.44 m,

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

If 2000 N of force is applied to a roller coaster to make it move 10 m how much work was done on the roller coaster?

• 2000 J

• 20000 J

• 10 J

• 200 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2