MP5 - MasteringPhysics: Assignment Print View

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[ Print View ] PH1110A2008 Assignment 5 Due at 11:59pm on Friday, September 12, 2008 View Grading Details Exercise 4.24 The upward normal force exerted by the floor is 620 on an elevator passenger who weighs 650 . Part A What is the magnitude of the acceleration? ANSWER: = 0.452 Part B What is the direction of the acceleration? ANSWER: upward downward Exercise 4.26 An athlete throws a ball of mass directly upward, and it feels no appreciable air resistance. Part A Draw a free-body diagram of this ball while it is free of the athlete's hand and moving upward; Draw the force vectors with their tails at the dot. The orientation of your vectors will be graded. The exact length of your vectors will not be graded but the relative length of one to the other will be graded. ANSWER: View Part B Draw a free-body diagram of this ball while it is free of the athlete's hand and at its highest point; Draw the force vectors with their tails at the dot. The orientation of your vectors will be graded. The exact length of your vectors will not be graded but the relative length of one to the other will be graded. ANSWER: View MasteringPhysics: Assignment Print View http://session.masteringphysics.com/myct/assignmentPrint?assig. .. 1 of 13 10/13/2008 8:01 PM
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Draw a free-body diagram of this ball while it is free of the athlete's hand and moving downward. Draw the force vectors with their tails at the dot. The orientation of your vectors will be graded. The exact length of your vectors will not be graded but the relative length of one to the other will be graded. ANSWER: View Part D Repeat part A if the athlete throws the ball at a 60 angle above the horizontal instead of directly upward. Draw the force vectors with their tails at the dot. The orientation of your vectors will be graded. The exact length of your vectors will not be graded but the relative length of one to the other will be graded. ANSWER: View Part E Repeat part B if the athlete throws the ball at a 60 angle above the horizontal instead of directly upward. Draw the force vectors with their tails at the dot. The orientation of your vectors will be graded. The exact length of your vectors will not be graded but the relative length of one to the other will be graded. ANSWER: View Part F Repeat part C if the athlete throws the ball at a 60 angle above the horizontal instead of directly upward. Draw the force vectors with their tails at the dot. The orientation of your vectors will be graded. The exact length of your vectors will not be graded but the relative length of one to the other will be graded. ANSWER: View MasteringPhysics: Assignment Print View http://session.masteringphysics.com/myct/assignmentPrint?assig. .. 2 of 13
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This note was uploaded on 10/13/2008 for the course PH 1110 taught by Professor Kiel during the Spring '08 term at WPI.

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MP5 - MasteringPhysics: Assignment Print View

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