Kinetic Energy

Kinetic Energy-
Pg 23
Calculators encouraged

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Moving truck

Energy stored in batteries

Holding a yoga position

Ball rolling downhill

Match each picture to it's type of energy

Kinetic Energy

Potential energy

Chemical energy

Multiple Select

Which are examples of Kinetic energy? Hint more than 1 correct answer

• Sound

• Food

• Electrical

• Mechanical

Labelling

Label the parts of the equation

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Kinetic Energy= joules

Divide by 2

velocity = m/s

mass = kg

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Commonwealth Charter Academy

8:10 Class Code

10:30 Class Code

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Measured in joules or j
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Kinetic Energy

1. formula KE= 1/2 mv^2

2. variables

   1. m=15kg

   2. v= 2m/s

3. substitution

   1. KE= 1/2 x 15 x 2^2

4. solution

How to solve math problems:

Math Response

What is the kinetic energy of an object with a mass of 100kg that is moving at a velocity of 12.5m/s ?

Follow these steps:

Formula

Identify variables

Substitute the variables

Find the solution

Remember to add "j"

Type answer here

Correct Answer: 7812.5j

Deg^°

Rad

Math Response

What is the kinetic energy of a 4kg bowling ball that is moving 9m/s?

Follow these steps:

Formula

Identify variables

Substitute the variables

Find the solution

Remember to add "j"

Type answer here

Correct Answer: 162j

Deg^°

Rad

Math Response

What is the kinetic energy of a 7kg dog running 13m/s?

Follow these steps:

Formula

Identify variables

Substitute the variables

Find the solution

Remember to add "j"

Type answer here

Correct Answer: 591.5j

Deg^°

Rad

Open Ended

At what point on a Roller coaster would the cart have the most Kinetic Energy?

Math Response

Got your flow on? Can you do this one without me?

What is the kinetic energy of an object with a mass of 2kg that is falcon diving at 80m/s ?

Type answer here

Correct Answer: 6400j

Deg^°

Rad