تم الحل ✓
categoryالفيزياء
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
1.
-/5 points Sliding Ball
My Notes
You stand looking directly North on an icy pond. Your friend tosses a solid
ball with a radius 28.4 cm weighing 100 g onto the ice so that it slides West
at 1.3 m/s with a backspin* of 75 s¹. The closest the ball gets to you is 4.6
m.
(a) What is the spin angular momentum of the ball?
₤ +
Ñ +
បំ
(b) What is the translational angular momentum of the ball around your
position when the ball is directly in front of you?
[ =
₤ +
Ñ +
បំ
(c) What is the total angular momentum of the ball around your position
when the ball is directly in front of you {in coordinate form}?
J
Ê +
N+
បំ
(d) What is the total angular momentum of the ball around your position
when the ball is directly in front of you {in vector form}?
J
Ê +
Ñ +
Û)
(e) What is the position of the ball 7 s after it passes you?
Ê +
Ñ +
ü
(f) What is the total angular momentum of the ball at the point in part (e)?
J
£ +
Ñ +
Ü
* That is, it spins in the opposite direction as it would if it were rolling.
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