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Phys211Exam2Sample

# Phys211Exam2Sample - Physics 211 Exam 2 Sample problems 1...

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Physics 211 Exam 2 Sample problems

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1)

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Two  rubber  bands pulling on an object cause it to accelerate with acceleration  a .  How many rubber bands are needed  to cause an object with half the mass to accelerate with acceleration 3 a ?   A)
B)

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C)
D)

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2)
A block is  at rest on  a rough  incline as  shown. How many forces are acting on the block?   A)

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1 B)
C)

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3 D)
4

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3)
In the  figure  below  mass B is  pulling  mass A  across a  frictionles s surface.  The mass  of A is 4  kg and the mass of B is 2 kg.  How long does it take mass A to travel 0.25 meters across the table? A)

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0.22 s   B)
0.39 s   C)

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0.78 s   D)
0.46 s   4)

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Two  bodies P  and Q on  frictionles horizontal surface are connected by a light cord. The mass of P is 30 kg and the mass of  Q is 22 kg.  A  horizontal force  F r
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Phys211Exam2Sample - Physics 211 Exam 2 Sample problems 1...

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