Kinetic and Potential Energy Concepts

What is potential energy measured in?

• Joules (J)
• Pascals (Pa)
• Newtons (N)
• Watts (W)

Tags

NGSS.MS-PS3-2

What is energy?

• the ability to do work

• the ability to do nothing

• the ability to be excited

• the ability to stay the same

what is kinetic energy?

• energy at rest

• light energy

• elastic energy

• energy in motion

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A jogger with a mass of 60 kg is moving at a speed of 3.0 m/s. What is the jogger’s kinetic energy?

• 270 J

• 180 J

• 270 m/s

• 180 m/s

Tags

NGSS.MS-PS3-1

If a stone has 390 J of energy and is moving with a speed of 12 m/s, what is the mass of the stone?

• 5.42 J

• 5.42 kg

• 10.8 kg

• 10.8 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Potential energy is

• stored energy

• energy in motion

• energy from the sun

• energy from sound

Tags

NGSS.MS-PS3-2

what are the 3 types of potential energy?

• elastic

• spring

• chemical

• gravitational

Tags

NGSS.MS-PS3-2

what is acceleration for GPE?

• 8.9 m/s^2

• 9.8 m/s^2

• 10 m/s^2

• 9.8 m/s

A Viking ship roller coaster at the fair has a mass of 36,000 kg.  If at its peak it reaches a height of 20 m off the ground, how much gravitational potential energy does it have?

(a)  

A suitcase weighing 120 N sits on a counter 1.8 m high in the airport.  How much energy does it have?

(a)  

Tags

NGSS.MS-PS3-2