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Biblioteka

Unit 4 Quiz Retake

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Posljednje ažuriranje about 1 month ago
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Napomena autora:

Watch the videos and answer the questions.

Watch the videos and answer the questions.

1
Pitanje 7
7.

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 1
01:11
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1
Pitanje 1
1.

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

Question 2
03:21
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1
Pitanje 2
2.

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?

Question 3
04:10
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Question 4
07:19
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1
Pitanje 4
4.

How much time is it in the air?

Question 5
08:06
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Pitanje 5
5.

How far does it travel?

Question 6
10:13
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Question 8
00:31
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Question 9
01:40
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Question 10
01:53
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Question 11
03:45
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Text
04:36
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You can stop at 4:36. The remainder is plotting on Motion Graphs

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.

1
Pitanje 12
12.

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

1
Pitanje 13
13.

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

1
Pitanje 14
14.

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

1
Pitanje 15
15.

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

Pitanje 3
3.

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

Pitanje 6
6.

What is final velocity?

Pitanje 8
8.

Which of the following could be considered a projectile?

Pitanje 9
9.

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

Pitanje 10
10.

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

Pitanje 11
11.

What is the acceleration from?