Kinetic Energy

What is the formula for Kinetic Energy?

• S = d / t

• KE = 1/2 * m * v2

Tags

NGSS.MS-PS3-1

What is the unit for KE?

• Joules (J)

• Kilograms (kg)

• Meters (m)

• Meters per Second (m/s)

A 65,000 kg train travels to New York at 24 m/s. What is the train's Kinetic Energy?

• 2708.9 m/s

• 65,000 kg

• 24 m/s

• 18,720,000 J

Tags

NGSS.MS-PS3-1

A 1 kg bird flies south at 4 m/s. What is its KE?

• 2 m/s

• 8 J

• 2 J

• 4 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

The table lists the mass and speed of each of four objects. Which two objects have the same kinetic energy?

• A and D

• B and D

• A and C

• B and C

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NGSS.MS-PS3-1

NGSS.MS-PS3-4

The energy an object has due to its motion is called ​ ​ (a)   ​ and it means the more it moves the more thermal energy it will have

• kinetic energy

• radiation

• matter

• temperature

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

In the diagram below, a 5 kg object is moving with a speed of 10 m/s, and a 10 kg object is moving with a speed of 5 m/s. Which object in the diagram has more kinetic energy?

• Both of the objects have the same amount of kinetic energy.

• The 5 kg object has more kinetic energy.

• The 10 kg object has more kinetic energy.

• Neither object has any kinetic energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

A 1,000 kg sports car drives straight at a speed of 200 m/s. How much KE does it have?

• 40,000,000 J

• 20,000,000 J

• 2,000 J

• 1,000 J

Tags

NGSS.MS-PS3-1

energy of motion

• kinetic energy

• potential energy

• movement

• work

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

the capacity necessary to do work; controls the amount of change that can occur within a system

• speed

• joule

• momentum

• energy

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NGSS.MS-PS3-2

NGSS.MS-PS3-4