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Physics 4A
FINAL EXAM  "Take Me Out to the Ball Game"
Spring 1992
Solve the following problems in the space provided.
Use the back of the page if needed.
Each
problem is worth 10 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 pitcher throws a pitch from the mound toward home plate 18.4m away.
The ball is released
horizontally from a height of 2.00m with a velocity of 40.0m/s.
Find (a)the time it takes for the
ball to reach home plate and (b)the height above the ground when it gets there.
2. An 85.0kg baserunner tries to steal second base.
When he is 3.00m from the base he begins his
slide at a speed of 9.00m/s.
He comes to rest just as he touches the base.
Find the coefficient of
friction between the sliding baserunner and the ground.
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3. A 150g baseball starts at rest and rolls down the 50.0cm high pitcher's mound.
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 Fall '09
 Kagan
 Work, Moment Of Inertia, Rigid Body, Bat, Pitcher

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