Question

Two ice skaters, Daniel (mass 70.0] kg) and Rebecca (mass 50.0 kg) are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving at 15.0 m/s before she collides with him. After the collision, Rebecca has a velocity of magnitude 7.0 m/s at an angle of 38.0° counterclockwise from her initial direction (as viewed from above). Both skaters move on the frictionless, horizontal surface of the rink.

a-What is the magnitude of Daniel’s velocity after the collision?

b-What is the direction of Daniel’s velocity after the collision?

c-What is the change in total kinetic energy of the two skaters as a result of the collision?

Answer #1

Two ice skaters, Daniel (mass 70.0 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 13.0 m/s before she
collides with him. After the collision, Rebecca has a velocity of
magnitude 8.00 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...

Two ice skaters, Daniel (mass 69.0 kg) and Rebecca (mass 51.0
kg) are practicing. Daniel stops to tie his shoelace and, while at
rest, is struck by Rebecca, who is moving at 13.5 m/s before she
collides with him. After the collision, Rebecca has a velocity of
magnitude 6.3 m/s at an angle of 51.5° from her initial direction.
Both skaters move on the frictionless, horizontal surface of the
rink.
(a) What are the magnitude and direction of Daniel's velocity...

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 8.00 m/s at an angle of 55.1 ∘ from her initial
direction. Both skaters move on the frictionless, horizontal
surface of the rink.
a.What is the magnitude of Daniel's velocity...

Two ice skaters, Daniel (mass 60.0kg ) and Rebecca (mass 45.0kg
), are practicing. Daniel stops to tie his shoelace and, while at
rest, is struck by Rebecca, who is moving at 13.0m/sbefore she
collides with him. After the collision, Rebecca has a velocity of
magnitude 6.00m/s at an angle of 52.1? from her initial direction.
Both skaters move on the frictionless, horizontal surface of the
rink.
What is the magnitude of Daniel's velocity after the
collision?
What is the...

Two ice skaters, Daniel (mass 65 kg) and Rebecca (mass 45 kg),
are practicing. Daniel stops to tie his skate lace and, while at
rest, is struck by Rebecca who is moving at 13.0 m/s before she
collides with him. After the collision, Rebecca has a velocity of
magnitude 8.00 m/s at an angle of 53.1 from her initial direction.
Both skaters move on the frictionless, horizontal surface of the
rink. 1) Determine the magnitude of the x-component Daniel's
velocity...

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 12.0 m/s before she
collides with him. After the collision, Rebecca has a velocity of
magnitude 8.00 m/s at an angle of 54.1 ∘ from her initial
direction. Both skaters move on the frictionless, horizontal
surface of the rink.
Part A
Part complete
What is the...

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 12.0 m/s before she
collides with him. After the collision, Rebecca has a velocity of
magnitude 8.00 m/s at an angle of 54.1 ∘ from her initial
direction. Both skaters move on the frictionless, horizontal
surface of the rink.
Part A
Part complete
What is the...

Two ice skaters, Daniel (mass = 65.0 kg) and Rebecca (mass =
45.0 kg) are practicing on the ice. Daniel stops to tie his lace,
and while at rest he is struck by Rebecca, who is moving 12.0 m/s
before she collides with him. After the collision, Rebecca is
moving forward at 8.50 m/s at a 53 degree angle with respect to her
initial direction. What is the velocity vector (magnitude and
direction, or x- and y-components) of Daniel after...

Mahmut with mass 70.0 kgkg and Güllü with mass 45.0
kgkg are skating. While Mahmut stands at rest, He is
struck by Güllü. She is moving at 12.0 m/sm/s before she collides
with him. Güllü has a velocity of magnitude 8.00 m/sm/s at an angle
of 52.1 ∘∘ from her initial direction after the collision. Both
skaters move on the frictionless and horizontal surface .
a)Find the magnitude of Mahmut's velocity after the
collision?
b)Find the direction of Mahmut's velocity after the...

Mahmut with mass 65.0 kg and Güllü with mass 45.0 kg are
skating. While Mahmut stands at rest, He is struck by Güllü. She is
moving at 14.0 m/s before she collides with him. Güllü has a
velocity of magnitude 8.00 m/s at an angle of 53.1∘ from
her initial direction after the collision. Both skaters move on the
frictionless and horizontal surface .
1.Find the magnitude of Mahmut's velocity after the
collision?
2.Find the direction of Mahmut's velocity after the...

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