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Physics 204A
FINAL EXAM Chapters 1  14
Spring 2007
1
Name:__________________________________
Check here to have your grade posted on the class web site.
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. The equations you need are on the equation sheet. 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 42.0m/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 base runner 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
(a)his acceleration, (b)the average frictional force exerted by
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 Fall '09
 Kagan
 Physics

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