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A 20.0-kg crate sits at rest at the bottom of a 11.5 m-long ramp that is inclined at 35 ° above the horizontal. A constant horizontal force of 290 N is applied to the crate to push it up the ramp. While the crate is moving, the ramp exerts a constant frictional force on it that has magnitude 65.0 N. Part A What is the total work done on the crate during its motion from the bottom to the top of the ramp? Express your answer to three significant figures and include the appropriate units. W = 692 J Submit Previous Answers All attempts used; correct answer displayed Part B How much time does it take the crate to travel to the top of the ratp? Express your answer to three significant figures and include the appropriate units. t= 2.02 Units

A 20.0-kg crate sits at rest at the bottom of a 11.5 m-long ramp that is inclined at 35 ° above the horizontal. A constant horizontal force of 290 N is applied to the crate to push it up the ramp. While the crate is moving, the ramp exerts a constant frictional force on it that has magnitude 65.0 N. Part A What is the total work done on the crate during its motion from the bottom to the top of the ramp? Express your answer to three significant figures and include the appropriate units. W = 692 J Submit Previous Answers All attempts used; correct answer displayed Part B How much time does it take the crate to travel to the top of the ratp? Express your answer to three significant figures and include the appropriate units. t= 2.02 Units

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 81AP: Repeat the preceding problem, but this time, suppose that the work done by air resistance cannot be...
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A 20.0-kg crate sits at rest at the bottom of a 11.5 m-long ramp that is inclined at 35° above the horizontal. A constant horizontal force of 290 N is applied to the crate to push it up the ramp. While the crate is moving, the ramp exerts a constant frictional force on it that has magnitude 65.0N. Part A What is the total work done on the crate during its motion from the bottom to the top of the ramp? Express your answer to three significant figures and include the appropriate units. W = 692 J Submit Previous Answers All attempts used; correct answer displayed Part B How much time does it take the crate to travel to the top of the ramp? Express your answer to three significant figures and include the appropriate units. HA t = 2.02 Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Enter your answer using units of time. Provide Feedback P Pearson Co At e n nere to search
Transcribed Image Text:A 20.0-kg crate sits at rest at the bottom of a 11.5 m-long ramp that is inclined at 35° above the horizontal. A constant horizontal force of 290 N is applied to the crate to push it up the ramp. While the crate is moving, the ramp exerts a constant frictional force on it that has magnitude 65.0N. Part A What is the total work done on the crate during its motion from the bottom to the top of the ramp? Express your answer to three significant figures and include the appropriate units. W = 692 J Submit Previous Answers All attempts used; correct answer displayed Part B How much time does it take the crate to travel to the top of the ramp? Express your answer to three significant figures and include the appropriate units. HA t = 2.02 Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Enter your answer using units of time. Provide Feedback P Pearson Co At e n nere to search
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