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Name ________________________________
Section No. _____
Engineering Science 2123
Spring 2007 – Final Exam
1.
(10 points)
The motorcycle shown below is traveling at a speed of 30 meters per second
when it exits the 30 degree ramp.
Determine the distance (R), and the height (h) that the
motorcycle achieves.
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2.
(10 points)
Block A weighs 10 pounds, and block B weighs 15 pounds. Determine the
coefficient of friction at block B, if block A accelerates downward at a rate of 1 ft/s
2
.
Name ________________________________
3.
(15 points) The 4 kg box is pushed onto the smooth circular vertical slide with a velocity of
1m/s as shown below.
Determine the angle at which the normal force between the block
and the slide goes to zero.
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4.
(10 points)
In a pool game, ball
B
must strike ball A in the position shown in order to send
Ball A to the pocket.
Ball
B
has a velocity of
4 m/s
before impact.
. The coefficient of
restitution is 0.85. Both balls have the same mass and diameter. Calculate the speed of ball
A after impact.
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This note was uploaded on 06/16/2008 for the course ENSC 2123 taught by Professor Russell during the Spring '08 term at Oklahoma State.
 Spring '08
 Russell

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