In the figure here, a solid brass ball of mass 0.268 g will roll smoothly along a loop-the-loop track when released from rest along the straight section. The circular loop has radius R = 0.16 m, and the ball has radius r << R. (a) What is h if the ball is on the verge of leaving the track when it reaches the top of the loop? (b) If the ball is released at height h = 7R, what is the magnitude of the horizontal force component acting on the ball at point Q? h R (a) h = i 3.8 (b) F = i 3 W
In the figure here, a solid brass ball of mass 0.268 g will roll smoothly along a loop-the-loop track when released from rest along the straight section. The circular loop has radius R = 0.16 m, and the ball has radius r << R. (a) What is h if the ball is on the verge of leaving the track when it reaches the top of the loop? (b) If the ball is released at height h = 7R, what is the magnitude of the horizontal force component acting on the ball at point Q? h R (a) h = i 3.8 (b) F = i 3 W
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Transcribed Image Text:In the figure here, a solid brass ball of mass 0.268 g will roll smoothly along a loop-the-loop track when released
from rest along the straight section. The circular loop has radius R = 0.16 m, and the ball has radius r << R.
(a) What is h if the ball is on the verge of leaving the track when it reaches the top of the loop?
(b) If the ball is released at height h = 7R, what is the magnitude of the horizontal force component acting on the
ball at point Q?
h
R
(a) h = i
3.8
(b) F = i
3
W
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