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Kinetic and Potential Energy Problems

Kinetic and Potential Energy Problems

Assessment

Interactive Video

Physics, Science, Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers various physics concepts related to energy, work, and power. It begins with calculating the kinetic energy of a moving car, followed by determining the change in gravitational energy of a falling apple. The tutorial then explores the speed of a roller coaster after a drop, assuming no frictional forces. It also explains the work done and power used by a machine pushing a box. Finally, it identifies renewable energy resources and explains how the sun releases energy through nuclear fusion.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the kinetic energy of a 1500 kg car moving at 20 m/s?

60,000 Joules

75,000 Joules

30,000 Joules

15,000 Joules

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the change in gravitational potential energy for a falling object?

m * v^2

0.5 * m * v^2

m * g * h

m * a * d

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the change in gravitational potential energy of a 50g apple falling 5 meters?

3.5 Joules

0.5 Joules

2.5 Joules

1.5 Joules

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the speed of a roller coaster at the bottom of a 15-meter drop if it starts at 3 m/s?

10 m/s

17 m/s

20 m/s

15 m/s

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two types of energy are present at the peak of a roller coaster track?

Electrical and Kinetic

Kinetic and Gravitational Potential

Thermal and Gravitational Potential

Kinetic and Thermal

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much work is done by a machine pushing a box with a force of 5 N over 20 meters?

100 Joules

75 Joules

125 Joules

50 Joules

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the power output of a machine that does 100 Joules of work in 5 seconds?

20 Watts

25 Watts

15 Watts

10 Watts

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