Unit 4 Quiz Retake

Last updated about 3 years ago

15 questions

Note from the author:

Watch the videos and answer the questions.

Instructions

Watch the videos and answer the questions.

A ball is thrown downward at 1.2 m/s. It reaches the ground 3 seconds later. How fast is it going just before it hits the ground?

Unit 4 Quiz Retake

Last updated about 3 years ago

15 questions

Note from the author:

Watch the videos and answer the questions.

Instructions

Watch the videos and answer the questions.

Question 1 | 01:11

Question 2 | 03:21

Question 3 | 04:10

00:00/00:00

Question 1

01:11

Question 2

03:21

Question 3

04:10

Question 4 | 07:19

Question 5 | 08:06

Question 6 | 10:13

00:00/00:00

Question 4

07:19

Question 5

08:06

Question 6

10:13

A ball is thrown downward at 1.2 m/s. It reaches the ground 3 seconds later. How fast is it going just before it hits the ground?

Question 8 | 00:31

Question 9 | 01:40

Question 10 | 01:53

Question 11 | 03:45

Text | 04:36

00:00/00:00

Question 8

00:31

Question 9

01:40

Question 10

01:53

Question 11

03:45

Text

04:36

A Buick is fired from a cannon straight up into the air to a height of 15m and falls back to where it is fired from.  The total motion takes 5 seconds.

Unit 4 Quiz Retake

A ball is thrown downward at 1.2 m/s. It reaches the ground 3 seconds later. How fast is it going just before it hits the ground?

Unit 4 Quiz Retake

A ball is thrown downward at 1.2 m/s. It reaches the ground 3 seconds later. How fast is it going just before it hits the ground?

What is the acceleration at the top of the path? (disregard the units)

What is the vertical velocity at the top of the path? (disregard the units)

What is the time it takes to rise? (disregard units)

What is the time it takes to fall? (disregard units)

How far does a free-falling object (no friction) fall in the first 10 seconds?

How long should it take for a free-falling object to fall from the top of the Empire State Building (1250 ft) to the street, assuming no air resistance?

How fast will the object be falling just before it hits the ground?

How much time is it in the air?

How far does it travel?

What is final velocity?

Which of the following could be considered a projectile?

What is the ball doing as it's going up?

What is the ball doing on it's way down?

What is the acceleration from?

What is the acceleration at the top of the path? (disregard the units)

What is the vertical velocity at the top of the path? (disregard the units)

What is the time it takes to rise? (disregard units)

What is the time it takes to fall? (disregard units)

How far does a free-falling object (no friction) fall in the first 10 seconds?

How long should it take for a free-falling object to fall from the top of the Empire State Building (1250 ft) to the street, assuming no air resistance?

How fast will the object be falling just before it hits the ground?

How much time is it in the air?

How far does it travel?

What is final velocity?

Which of the following could be considered a projectile?

What is the ball doing as it's going up?

What is the ball doing on it's way down?

What is the acceleration from?