ch05-p017 - 17. (a) The coin undergoes free fall....

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(b) Since the customer is being pulled down with an acceleration of 2 customer ˆ 1.24 ( 12.15 m/s )j, ag == GG the acceleration of the coin with respect to the customer is 22 2 rel coin customer ˆˆ ˆ ( 9.8 m/s )j ( 12.15 m/s )j ( 2.35 m/s )j. aa a = =− −− =+ G (c) The time it takes for the coin to reach the ceiling is 2 rel ( 2 . 2 0 m ) 1.37 s. 2.35 m/s h t a = (d) Since gravity is the only force acting on the coin, the actual force on the coin is 32 3 coin coin (0.567 10 kg)( 9.8 m/s )j
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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