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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
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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
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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
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888
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DD
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F2
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F7
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6.
7
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control
option
B
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