02_P50InstructorSolution

02_P50InstructorSolution - 2.50. Model: Visualize: Solve:...

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2.50. Model: We will model the rocket as a particle. Air resistance will be neglected. Visualize: Solve: (a) Using the constant-acceleration kinematic equations, 100 10 0 0 22 2 1 0 0 1 0 0 0 2 211 2 1 1 2 1 2 2 00 0 ( ) 0 m/s (16 s 0 s) (16 s) 11 () ( 1 6 s 0 s ) ( 1 2 8 s ) 1 2 1 5100 m 128 s 16 s (20 s 16 s) ( 9.8 m/s )(20 s 16 s) 27 m/s 2 vva tt a a yyv a a a a aa a =+ − = + =+ −+ = ⇒= + + = (b) The rocket’s speed as it passes through a cloud 5100 m above the ground can be determined using the kinematic
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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 UGA.

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