Physics 4A
FIRST EXAM Chapters 1  4
Fall 2003
1
Name:_________________________________________
Solve the following problems in the space provided.
Use the back of the page if needed.
Each
problem is worth 20 points.
You must show your work in a logical fashion starting with the
correctly applied physical principles which are on the last page.
Your score will be maximized if
your work is easy to follow because partial credit will be awarded.
1.
The position of a car as a function of
time is shown in the graph at the right.
(a)Explain how you would go about
sketching the velocity versus time graph
and draw the curve. (b)Explain how you
would go about sketching the
acceleration versus time graph and draw
the curve.
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FIRST EXAM Chapters 1  4
Fall 2003
2
2.
In a crazy movie stunt, a car traveling at 80.0m/s collides with and passes through a 3.00m thick
wall of jello emerging with a speed of 40.0m/s.
Find (a)the time required for the car to pass
through the jello and (b)the acceleration of the car (assumed constant) as it passes through.
3.
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 Fall '09
 Kagan
 Physics, Work, Velocity, Exam Chapters

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