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1-9 Concept Check
By Taylor Christen Engel
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Last updated about 1 month ago
13 questions
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PYS.C.6.d
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PYS.C.2.j
PYS.C.6.c
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PYS.C.2.j
PYS.C.6.c
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PYS.C.6.c
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PYS.C.6.c
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PYS.C.6.c
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PYS.C.6.c
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PYS.C.6.c
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PYS.C.2.j
PYS.C.6.c
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PYS.C.6.c
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PYS.C.6.d
Question 1
1.
If an object traveling at 20 m/s has a momentum of 800Kg*m/s, what is the object’s mass?
0.025kg
16,000kg
40kg
780kg
visibility
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Question 2
2.
What happens to the momentum if the mass is quadrupled?
16
1/4
4
1/16
Question 3
3.
What happens to the momentum if the velocity is tripled?
1/3
1/9
9
3
Question 4
4.
What is the momentum of an object that is at rest?
visibility
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Question 5
5.
A 100Kg man is running at 5.6m/s. What is his momentum?
visibility
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Question 6
6.
If a 40 Kg object has a momentum of 400Kg*m/s, how fast is it traveling?
visibility
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Question 7
7.
What is the impulse of a hammer that exerts 25 N of force for 0.02 s on a nail?
visibility
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Question 8
8.
What is the force exerted on a 120 kg bike as it comes to a stop from 7.2 m/s in 1.8 s?
-16.67N
-1,555.2N
-67N
-480N
visibility
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Scott Macartney, a US Olympic Ski Team member was going 39 m/s in the downhill ski race when lost his balance and fell. He has a mass of 65Kg.
1
Question 9
9.
What was his momentum?
visibility
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PYS.C.6.c
1
Question 10
10.
How fast would a ping-pong ball (mass 0.003Kg) have to be traveling to have the same momentum as Scott Macartney just before he fell?
visibility
View drawing
PYS.C.6.c
Question 11
11.
What is the relationship of momentum and impulse?
Inverse
There is no relationship
Impulse is the change in momentum
As momentum increases, impulse decreases
Question 12
12.
Calculate the impulse of a 710kg racecar that strikes a solid wall with a 2,115,800 N force in 0.03 seconds.
Question 13
13.
Any object that has momentum must also have
__________