An ice cube with a mass of 0.0540 kg is placed at the midpoint of a 1.00-m-long wooden board that is propped up at a 45° angle. The coefficient of kinetic friction between the ice and the wood is 0.225. (a) How much time does it take for the ice cube to slide to the lower end of the board? (b) If the ice cube is replaced with a 0.0540-kg wooden block, where the coefficient of kinetic friction between the block and the board is 0.375, at what angle should the board be placed so that the block takes the same amount of time to slide to the lower end as the ice cube does? You may find a spreadsheet program helpful in answering this question.
An ice cube with a mass of 0.0540 kg is placed at the midpoint of a 1.00-m-long wooden board that is propped up at a 45° angle. The coefficient of kinetic friction between the ice and the wood is 0.225. (a) How much time does it take for the ice cube to slide to the lower end of the board? (b) If the ice cube is replaced with a 0.0540-kg wooden block, where the coefficient of kinetic friction between the block and the board is 0.375, at what angle should the board be placed so that the block takes the same amount of time to slide to the lower end as the ice cube does? You may find a spreadsheet program helpful in answering this question.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 76PQ: Jamal and Dayo are lifting a large chest, weighing 207 lb, by using the two rope handles attached to...
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An ice cube with a mass of 0.0540 kg is placed at the midpoint of a 1.00-m-long wooden board that is propped up at a 45° angle. The coefficient of kinetic friction between the ice and the wood is 0.225.
(a) How much time does it take for the ice cube to slide to the lower end of the board?
(b) If the ice cube is replaced with a 0.0540-kg wooden block, where the coefficient of kinetic friction between the block and the board is 0.375, at what angle should the board be placed so that the block takes the same amount of time to slide to the lower end as the ice cube does? You may find a spreadsheet program helpful in answering this question.
(b) If the ice cube is replaced with a 0.0540-kg wooden block, where the coefficient of kinetic friction between the block and the board is 0.375, at what angle should the board be placed so that the block takes the same amount of time to slide to the lower end as the ice cube does? You may find a spreadsheet program helpful in answering this question.
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