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Nerd-A-Pult Physics Concepts

Nerd-A-Pult Physics Concepts

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explores the conservation of momentum using a Nerd-A-Pult demonstration. It begins with setting up the problem, where a ball is launched from a stationary Nerd-A-Pult. The tutorial explains the conservation of momentum in the x-y plane, considering internal forces. The problem is solved step-by-step to find the final velocity of the Nerd-A-Pult. The results are verified, and a discussion on unit vectors and velocity ratios is provided. The tutorial concludes with a summary of the learning points.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the Nerd-A-Pult demonstration?

Understanding momentum conservation

Exploring energy transformations

Analyzing gravitational forces

Studying the effects of air resistance

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial velocity of the ball and the Nerd-A-Pult?

100 cm/s

10 cm/s

Zero

351 cm/s

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are the forces in the x-y plane considered internal to the system?

Because they are negligible

Because they are external forces

Because they cancel each other out

Because they are equal and opposite

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final velocity of the Nerd-A-Pult in the x-direction?

0 cm/s

6.60 cm/s

12.9 cm/s

351 cm/s

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the final velocity of the Nerd-A-Pult calculated?

By using the conservation of mass

By using the conservation of momentum

By measuring directly

By using the conservation of energy

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the observed value for the final velocity of the Nerd-A-Pult?

13.5 i - 7.0 j cm/s

12.0 i - 6.0 j cm/s

13.0 i - 6.60 j cm/s

12.9 i - 6.60 j cm/s

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What concept is primarily used to solve for the final velocity of the Nerd-A-Pult?

Conservation of energy

Kinetic energy formula

Newton's second law

Conservation of momentum

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