Exam_1_Key

# Exam_1_Key - Name and Discussion Section Number ENSC 2123...

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Unformatted text preview: Name and Discussion Section Number ________________________________________ ENSC 2123 Exam 1 Fall 2011 Question 1 (30 Points): Determine the horizontal velocity of a tennis ball at so that it just clears the net at . Also, find the distance where the ball strikes the ground. = 0 , ¡ = 21 , = 21 + , = 7.5 , ¡ = 3 , = 0 y-direction 3 = 7.5 + 0 + 1 2 − 32.2 2 ¢ 2 → ¡ = 0.529 x-direction 21 = 0 + £ ¡ → = . = . y-direction = 7.5 + 0 + 1 2 − 32.2 2 ¢ 2 → = 0.683 x-direction 21 + = 0 + 39.72 ¢ (0.683 ) = . Name and Discussion Section Number ________________________________________ Question 2 (20 points): If the rope is drawn towards the motor at a speed of ¡ = 5 3 2 ¢ , where is in seconds, determine the speed of cylinder...
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## This note was uploaded on 10/12/2011 for the course ENSC 2123 taught by Professor Russell during the Fall '08 term at Oklahoma State.

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Exam_1_Key - Name and Discussion Section Number ENSC 2123...

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