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Unit 4 Final Exam

Authored by Charles Martinez

Physics

11th - 12th Grade

NGSS covered

Unit 4 Final Exam
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

force=


(This is the original version of Newton's 2nd Law!)

change in momentum

change in momentum per unit time

change in velocity

change in velocity per unit time

Tags

NGSS.HS-PS2-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bowling ball and a ping-pong ball are rolling towards you with the same momentum, and you stop them with the same force before they hit you. How do their stop times compare?

The bowling ball stops first

The ping-pong ball stops first

They stop in the same amount of time

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the direction of the ball's impulse (change in momentum)?

straight down

straight up

to the right

to the left

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

All of these collisions are completely inelastic. Which will cause the most damage (dissipate the most energy)?

I

II

III

All are the same

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a perfectly elastic collision, which is conserved?

energy

momentum

energy and momentum

neither

Tags

NGSS.HS-PS2-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a perfectly inelastic collision, which is conserved?

energy

momentum

energy and momentum

neither

Tags

NGSS.HS-PS2-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a ballistic pendulum, a spring pushes a ball from rest. After the ball leaves the spring, it flies through the air and lodges inside the pendulum amd they move together.

What best explains the second process?

Conservation of energy

Conservation of momentum

Newton's first law

Newton's third law

Tags

NGSS.HS-PS2-2

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