8. A mery-go-round is stationary. A dog is running on the ground just outside the merry-go-round's circumference, moving with a constant angular speed of 0.750 rad/s. The dog does not change his pace when he sees what he has been looking for: a bone resting on the edge of the merry go-round one third of a revolution in front of him. At the instant the dog sees the bone (t = 0), the merry- go-round begins to move in the direction the dog is running, with a constant angular acceleration equal to 9.015 0 rad/s. (a) At what time will the dog reach the bone? (b) The confused dog keeps running and passes the bone. How long after the merry-go-round starts to turn do the dog and the bone draw even with each other for the second time?
8. A mery-go-round is stationary. A dog is running on the ground just outside the merry-go-round's circumference, moving with a constant angular speed of 0.750 rad/s. The dog does not change his pace when he sees what he has been looking for: a bone resting on the edge of the merry go-round one third of a revolution in front of him. At the instant the dog sees the bone (t = 0), the merry- go-round begins to move in the direction the dog is running, with a constant angular acceleration equal to 9.015 0 rad/s. (a) At what time will the dog reach the bone? (b) The confused dog keeps running and passes the bone. How long after the merry-go-round starts to turn do the dog and the bone draw even with each other for the second time?
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Transcribed Image Text:13. A whe
Cambridge, England is at longitude 0°, and Saskatoon,
Saskatchewan, Canada is at longitude 107° west. How
much time elapses after the Pleiades set in Cambridge
until these stars fall below the western horizon in Saska-
rotates
4.00 ra
radius
angle
2.00 s,
toon?
8. Amerry-go-round is stationary. A dog is running on the
ground just outside the merry-go-round's circumference.
moving with a constant angular speed of 0,750 rad/s. The
dog does not change his pace when he sees what he has
been looking for: a bone resting on the edge of the
merry-go-round one third of a revolution in front of him.
At the instant the dog sees the bone (t = 0, the merry-
go-round begins to move in the direction the dog is
running, with a constant angular acceleration equal to
9.015 0 rad/s. (a) At what time will the dog reach the
bone? (b) The confused dog keeps running and passes
the bone. How long after the merry-go-round starts to
turn do the dog and the bone draw even with each other
for the second time?
tanger
and (c
14. A disc
rest to
Assum
radius
(b) De
of the
time i
rest to
9. The tub of a washing machine goes into its spin cycle,
for
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