NCFE Physical Science Practice

NCFE Physical Science Practice

Assessment

Flashcard

Physics

9th - 12th 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 is the energy an object possesses due to its motion. It is calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.

2.

FLASHCARD QUESTION

Front

At which position on a roller coaster does the car have the greatest kinetic energy?

Back

The roller coaster car has the greatest kinetic energy at position X, where it is moving the fastest.

3.

FLASHCARD QUESTION

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

4.

FLASHCARD QUESTION

Front

What happens to the momentum of two colliding objects?

Back

In a collision, the total momentum before the collision is equal to the total momentum after the collision, according to the law of conservation of momentum.

5.

FLASHCARD QUESTION

Front

What is the formula for calculating momentum?

Back

Momentum (p) is calculated using the formula p = mv, where m is mass and v is velocity.

6.

FLASHCARD QUESTION

Front

Give an example of kinetic energy.

Back

An example of kinetic energy is water falling from a fountain sculpture.

7.

FLASHCARD QUESTION

Front

What is the momentum of a bowling ball with a mass of 8 kg rolling at 2.0 m/s?

Back

The momentum of the bowling ball is 16.0 kg x m/s, calculated as p = mv = 8 kg * 2.0 m/s.

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