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1) A student does 125.0 J of work lifting a 12.0 kg book. How high was the book lifted? 1.06m hgh 2) The book from problem 1 is then allowed to slide down a straight ramp which makes a 26.0° angle above the horizontal, and the book reaches its original position at the end of this ramp. How fast would it be going if there was no friction? 6.80 mls 3) If the book is actually going 3.00 m/s, what was the coefficient of friction between the book and the ramp?

1) A student does 125.0 J of work lifting a 12.0 kg book. How high was the book lifted? 1.06m hgh 2) The book from problem 1 is then allowed to slide down a straight ramp which makes a 26.0° angle above the horizontal, and the book reaches its original position at the end of this ramp. How fast would it be going if there was no friction? 6.80 mls 3) If the book is actually going 3.00 m/s, what was the coefficient of friction between the book and the ramp?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter5: Energy
Section: Chapter Questions
Problem 7P: A tension force of 175 N inclined at 20.0 above the horizontal is used to pull a 40.0-kg packing...
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image1 is the information. Do question 3 plz

Question3a: If the book is actually going 3.00 m/s, what was the coefficient of friction between the book and the ramp? (3b) How much work did friction do on the book?

1) A student does 125.0 J of work lifting a 12.0 kg book. How high was the book lifted? |-06m high 2) The book from problem 1 is then allowed to slide down a straight ramp which makes a 26.0° angle above the horizontal, and the book reaches its original position at the end of this ramp. How fast would it be going if there was no friction? 6.88 mls 3) If the book is actually going 3.00 m/s, what was the coefficient of friction between the book and the ramp?
Transcribed Image Text:1) A student does 125.0 J of work lifting a 12.0 kg book. How high was the book lifted? |-06m high 2) The book from problem 1 is then allowed to slide down a straight ramp which makes a 26.0° angle above the horizontal, and the book reaches its original position at the end of this ramp. How fast would it be going if there was no friction? 6.88 mls 3) If the book is actually going 3.00 m/s, what was the coefficient of friction between the book and the ramp?
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