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Kinetic Energy Calculations

Kinetic Energy Calculations

Assessment

Flashcard

Physics

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Kinetic Energy?

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.

2.

FLASHCARD QUESTION

Front

How do you calculate Kinetic Energy?

Back

Kinetic Energy is calculated using the formula KE = 1/2 mv².

3.

FLASHCARD QUESTION

Front

What is the unit of Kinetic Energy?

Back

The unit of Kinetic Energy is Joules (J).

4.

FLASHCARD QUESTION

Front

If a soccer ball has a mass of 0.43 kg and a velocity of 10 m/s, what is its Kinetic Energy?

Back

21.5 J.

5.

FLASHCARD QUESTION

Front

What happens to Kinetic Energy if the velocity of an object doubles?

Back

If the velocity doubles, the Kinetic Energy increases by a factor of four, since KE is proportional to the square of the velocity.

6.

FLASHCARD QUESTION

Front

What is the relationship between mass and Kinetic Energy?

Back

Kinetic Energy is directly proportional to the mass of the object; as mass increases, Kinetic Energy increases.

7.

FLASHCARD QUESTION

Front

How can you rearrange the Kinetic Energy formula to solve for mass?

Back

m = 2KE/v².

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