PHSX 114 - Homework #9

# PHSX 114 - Homework #9 - 82 N what is the maximum speed the...

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PHSX 114:  HOMEWORK # 9 Question 1: (1 point) A child sitting  1.52 m  from the center of a merry-go-round moves with a speed of  1.07 m/s . Enter scientific notation as 1.23E4. a. Calculate the centripetal acceleration of the child. [Num]   [Units]   b. Calculate the net horizontal force exerted on the child (mass =  37.0 kg ). [Num]   [Units]   Question 2: (2 points) 0.33-kg  ball, attached to the end of a horizontal cord, is rotated in a circle of radius  1.3 m  on a frictionless  horizontal surface. If the cord will break when the tension in it exceeds

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Unformatted text preview: 82 N , what is the maximum speed the ball can have? Number Units Question 3: (2 points) A bucket of mass 1.90 kg is whirled in a vertical circle of radius 1.13 m . At the lowest point of its motion the tension in the rope supporting the bucket is 23.7 N . a. Find the speed of the bucket. [Num] [Units] b. At what speeds can the bucket move at the top of the circle so that the rope does not go slack? [Num] [Units]...
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## This note was uploaded on 04/09/2008 for the course PHSX 114 taught by Professor Davis during the Spring '08 term at Kansas.

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PHSX 114 - Homework #9 - 82 N what is the maximum speed the...

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