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Unit 4&5 Retake w/ videos
By Taylor Christen Engel
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Last updated about 3 years ago
14 questions
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Note from the author:
Instructions
1
1
1
1
1
1
1
1
1
1
Question 3
3.
How does increasing the radius affect the centripetal acceleration?
Increases
Decreases
Remains the same
1
1
Question 5
5.
A penny was thrown downward at -2.4 m/s and falls under the influence of gravity for 5 s. What is the final velocity of the penny?
1
Question 6
6.
A projectile is launched horizontally at 2.6 m/s and falls 3.1 s later. How far away did it land?
1
Question 7
7.
A projectile is launched horizontally at 2.6 m/s and falls 3.1 s later. What is the height it was launched from?
Question 8
8.
Where is the v
y
= 0 m/s?
A
B
C
D
Never
Question 9
9.
Where is the a = 0 m/s
2
?
A
B
C
D
Never
Question 10
10.
Which angle will produce the farthest range?
0
20
45
70
Question 11
11.
What is the vertical component of a ball thrown at a 27 degree angle at 16 m/s?
Question 12
12.
What is the horizontal component of a ball thrown at a 27 degree angle at 16 m/s?
Question 13
13.
How does increasing the distance between two objects affect the force of gravity between them?
Increases
Decreases
Remains the same
Question 14
14.
How does increasing the mass of two objects affect the force of gravity between them?
Increases
Decreases
Remains the same
Question 1
1.
Which direction will the centripetal force point?
Up
Down
Left
Right
Question 2
2.
Which direction will the tangential velocity point?
Up
Down
Left
Right
Question 4
4.
What is the tangential velocity of a 700 kg car moving in a 35 m circle with an acceleration of 6.2 m/s
2
?