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College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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<Homework 6 Exercise 8.27 - Enhanced - with Solution Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0 kg), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving at 14.0 m/s before she collides with him. After the collision, Rebecca has a velocity of magnitude 7.00 m/s at an angle of 55.1° from her initial direction. Both skaters move on the frictionless, horizontal surface of the rink. Part B What is the direction of Daniel's velocity after the collision? Express your answer in degrees. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Collision in a horizontal plane. - 25 from the Rebecca's original direction Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part C What is the change in total kinetic energy of the two skaters as a result of the collision? Express answer in joules. Vol AEd AK = 1237.887 J Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback MacBook Air esc 80 88 F2 DII DD F6 F7 FB F9 23 2$ & 1 2 3. 4 6. 7 8. Q W E R T Y tab | P A S F G つ K caps lock C V く t control option command エ リ
Transcribed Image Text:<Homework 6 Exercise 8.27 - Enhanced - with Solution Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0 kg), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving at 14.0 m/s before she collides with him. After the collision, Rebecca has a velocity of magnitude 7.00 m/s at an angle of 55.1° from her initial direction. Both skaters move on the frictionless, horizontal surface of the rink. Part B What is the direction of Daniel's velocity after the collision? Express your answer in degrees. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Collision in a horizontal plane. - 25 from the Rebecca's original direction Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part C What is the change in total kinetic energy of the two skaters as a result of the collision? Express answer in joules. Vol AEd AK = 1237.887 J Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback MacBook Air esc 80 88 F2 DII DD F6 F7 FB F9 23 2$ & 1 2 3. 4 6. 7 8. Q W E R T Y tab | P A S F G つ K caps lock C V く t control option command エ リ
Exercise 8.27 - Enhanced - with Solution Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0 kg), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving at 14.0 m/s before she collides with him, After the collision, Rebecca has a velocity of magnitude 7.00 m/s at an angle of 55.1° from her initial direction. Both skaters move on the frictionless, horizontal surface of the rink. Part A What is the magnitude of Daniel's velocity after the collision? Express your answer in meters per second. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Collision in a horizontal plane. ΠνΠ ΑΣφ v = 8.7 m/s Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Vhat is the direction of Daniel's velocity after the collision? Express your answer in degrees. 25 from the Rebecca's original direction Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part C MacBook Air 80 888 esc DII DD F3 F2 F4 F5 F6 F7 E9 @ #3 2$ 1 3 6. 7 Q W E R T Y U tab A S F G H J K caps lock C V control option B
Transcribed Image Text:Exercise 8.27 - Enhanced - with Solution Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0 kg), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving at 14.0 m/s before she collides with him, After the collision, Rebecca has a velocity of magnitude 7.00 m/s at an angle of 55.1° from her initial direction. Both skaters move on the frictionless, horizontal surface of the rink. Part A What is the magnitude of Daniel's velocity after the collision? Express your answer in meters per second. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Collision in a horizontal plane. ΠνΠ ΑΣφ v = 8.7 m/s Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Vhat is the direction of Daniel's velocity after the collision? Express your answer in degrees. 25 from the Rebecca's original direction Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part C MacBook Air 80 888 esc DII DD F3 F2 F4 F5 F6 F7 E9 @ #3 2$ 1 3 6. 7 Q W E R T Y U tab A S F G H J K caps lock C V control option B
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