Calculating Kinetic Energy Practice

Front

What is Kinetic Energy (KE)?

Back

Kinetic Energy (KE) is the energy an object possesses due to its motion, calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.

Front

How does speed affect Kinetic Energy?

Back

Kinetic Energy is directly proportional to the square of the object's speed. If the speed doubles, the Kinetic Energy increases by a factor of four (quadruples).

Front

How does mass affect Kinetic Energy?

Back

Kinetic Energy is directly proportional to an object's mass. If the mass doubles, the Kinetic Energy also doubles.

Front

What is the formula for calculating Kinetic Energy?

Back

The formula for calculating Kinetic Energy is KE = 1/2 mv².

Front

Calculate the Kinetic Energy of a 0.15 kg golf club moving at 60 m/s.

Back

The Kinetic Energy is 270 J.

Front

Calculate the Kinetic Energy of a 150 kg object moving at 15 m/s.

Back

The Kinetic Energy is 16875 J.

Front

Calculate the Kinetic Energy of a 100 kg object moving at 12.5 m/s.

Back

The Kinetic Energy is 7812.5 J.

Front

What happens to Kinetic Energy if the speed of an object is halved?

Back

If the speed of an object is halved, the Kinetic Energy is reduced to one-fourth of its original value.

Front

What is the unit of Kinetic Energy?

Back

The unit of Kinetic Energy is Joules (J).

Front

If an object has a mass of 10 kg and is moving at 3 m/s, what is its Kinetic Energy?

Back

The Kinetic Energy is 45 J.