04_P48InstructorSolution

04_P48InstructorSolution - 4.48. Model: Visualize: Solve:...

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4.48. Model: We will use the particle model and the constant-acceleration kinematic equations in a plane. Visualize: Solve: The x - and y -equations of the ball are () ( ) 2 1 1B 0B 0B 1B 0B B 1B 0B 2 xx x xvt t a t t =+ −+ ( ) 0B 1B 65 m 0 m cos30 0 m vt ⇒= + ° + 2 1 1B 0B 0B 1B 0B B 1B 0B 2 yy v tt att ( ) 2 1 0B 1B 1B 2 0 m 0 m sin30 g t ⇒=+ ° + From the y -equation, 1B 0B 2sin30 gt v = ° Substituting this into the x -equation yields
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This note was uploaded on 12/10/2011 for the course PHYS 1211 taught by Professor Geller during the Fall '09 term at University of Georgia Athens.

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