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Phys121/S10/Hassam/Final
Name:
________________________________
Signature:
______________________________
Seat Number:
______________________________
1.
Closed Book.
Only 2 sheets of paper (double sided) allowed
2.
Put final answers into the boxes provided.
Show essential work next to box.
3.
Express all your answers using two significant figures, if needed.
4.
Use reverse sides for scratch work.
5.
After you finish the exam, write and sign the Honor Pledge in the box below:
“I pledge on my honor that I have not given or received any unauthorized assistance on
this exam”
g = 9.8 m/s
2
Newton’s Gravitation Law:
F = Gm
1
m
2
/(distance)
2
Problem
Max score
Score
Problem
Max score
Score
1
10
7
25
2
10
8
10
3
15
9
10
4
25
10
10
5
15
11
20
6
25
12
25
Max=200
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View Full Document Problem 1
A car travels at constant speed along the curved path shown in
the figure below. Five possible vectors are also shown in the
figure; the letter E represents the zero vector.
Which vector best represents the car's velocity at position 1?
Which vector best represents the car's acceleration at position 1?
Which vector best represents the car's velocity at position 2?
Which vector best represents the car's acceleration at position 2?
Which vector best represents the car's velocity at position 3?
Which vector best represents the car's acceleration at position 3?
Problem 2
The figure below shows block A sitting on top of block B.
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This note was uploaded on 12/28/2011 for the course PHYSICS 121 taught by Professor Shawhan during the Spring '10 term at Maryland.
 Spring '10
 Shawhan
 Physics, Work

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