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exam 4 sp07

# exam 4 sp07 - Name Section No Engineering Science 2123...

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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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Name ________________________________ 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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Name ________________________________ 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.
Name ________________________________

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