Don't Drop Your Camera 5.0 Seconds After Liftoff

Don't Drop Your Camera 5.0 Seconds After Liftoff

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

Created by

Wayground Content

FREE Resource

The video tutorial covers solving a complex freefall acceleration problem involving a rocket-propelled person and a dropped camera. It begins with an introduction and problem statement, followed by drawing a visual representation to understand the problem. Known variables are listed, and uniformly accelerated motion (UAM) equations are applied to solve for the camera's velocity and the distance between the person and the camera. The tutorial concludes with a review of the problem-solving process.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total mass of the person and the rocket pack?

50 kilograms

75 kilograms

125 kilograms

100 kilograms

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long after liftoff does the person drop the camera?

3 seconds

5 seconds

4 seconds

6 seconds

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the acceleration of the rocket pack?

9.8 m/s²

10.5 m/s²

12.0 m/s²

15.0 m/s²

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the acceleration of the camera after it is dropped?

-10.5 m/s²

9.8 m/s²

-9.8 m/s²

0 m/s²

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to use subscripts in this problem?

To confuse the students

To avoid using the letter 'Y'

To make the equations look complex

To differentiate between different objects and parts

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final velocity of the camera 5 seconds after being dropped?

3.4 m/s

3.5 m/s

4.0 m/s

5.0 m/s

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the camera still moving upward 10 seconds after liftoff?

The camera is attached to the rocket

The upward acceleration was greater than the downward acceleration

The camera has a built-in propulsion system

The camera is in a vacuum

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