Homework(1): Projectile Motion

Homework(1): Projectile Motion

12th Grade

15 Qs

quiz-placeholder

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Homework(1): Projectile Motion

Homework(1): Projectile Motion

Assessment

Quiz

Physics

12th Grade

Hard

Created by

BRENTON GEORGE

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determine the horizontal displacement (x) and the vertical displacement (y) after the fifth second for a horizontally launched projectile, given that positions at 1-second intervals depict a constant horizontal motion and a vertical freefall under gravity.

x = 30 m and y = -122.5 m

x = 25 m and y = -110 m

x = 35 m and y = -130 m

x = 20 m and y = -100 m

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ball is launched horizontally from the top of a cliff with an initial velocity of 20 m/s. The trajectory of the ball is shown below. Express your understanding by filling in the blanks. Vx = 20 m/s, Vy = 0 m/s at t = 0. Fill in the blanks for Vx and Vy at t = 1s, 2s, 3s, and 4s.

Fill in the blanks for Vx and Vy at t = 1s, 2s, 3s, and 4s.

Vx remains constant at 20 m/s and Vy remains 0 m/s for all time intervals.

Vx decreases gradually while Vy increases linearly with time.

Both Vx and Vy increase with time at the same rate.

3.

OPEN ENDED QUESTION

3 mins • 1 pt

If the ball in the diagram above strikes the ground after four seconds, then (a) how high was the cliff and (b) how far from the base of the cliff will the ball land?

Evaluate responses using AI:

OFF

4.

OPEN ENDED QUESTION

3 mins • 1 pt

If the ball's initial speed in question #2 was 16 m/s, then how far from the cliff will the ball land?

Evaluate responses using AI:

OFF

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ball is projected horizontally from the top of a 92.0-meter high cliff with an initial speed of 19.8 m/s. Determine: (a) the horizontal displacement, and (b) the final speed the instant prior to hitting the ground. Select the concise answer: horizontal displacement ≈ 85.9 m and final speed ≈ 46.8 m/s.

Horizontal displacement ≈ 85.9 m, final speed ≈ 46.8 m/s

Horizontal displacement ≈ 92.0 m, final speed ≈ 98.0 m/s

Horizontal displacement ≈ 46.8 m, final speed ≈ 85.9 m/s

Horizontal displacement ≈ 19.8 m, final speed ≈ 9.8 m/s

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(Honors) Determine the launch speed of a horizontally launched projectile that lands 26.3 meters from the base of a 19.3-meter high cliff.

11.0 m/s

12.8 m/s

13.3 m/s

14.9 m/s

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ball is projected at an angle with an initial horizontal velocity of 8.0 m/s and an initial vertical velocity of 30 m/s. The trajectory diagram shows the position of the ball after each consecutive second. Express your understanding of projectiles by filling in the blanks. Vy = ___ m/s Vx = ___ m/s Vy = ___ m/s Vx = ___ m/s Vy = 30 m/s Vx = 8 m/s

The question has a diagram associated with it. The diagram has been stored separately.

The diagram is not provided as it is irrelevant to the question.

There is no diagram and the trajectory data is complete in the text.

The problem description is incomplete because the diagram is missing.

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