A 60 kg woman rides an amusement park ride in which the 190 kg car traverses a circle of radius R = 12 m at constant speed v = 9.0 m/s. 3.

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Chapter10: Rotational Motion And Angular Momentum
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Problem 15PE: Consider the 12.0 kg motorcycle wheel shown in Figure 10.38. Assume it to be approximately an...
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3.
A 60 kg woman rides an amusement park ride in which the
190 kg car traverses a circle of radius R = 12 m at constant speed v = 9.0 m/s.
What is the angular velocity of the car?
a.
b.
Determine the acceleration (magnitude and direction) experienced by the car.
С.
Determine the magnitude and direction of the fictitious force experienced by the
woman.
d.
What coefficient of static friction is needed to prevent her from sliding in her
seat?
е.
The car traverses a half-circle. How much work is done by centripetal force on
the person?
f.
What is the magnitude and direction of the centripetal force on the woman and
car combined?
There is a pendulum in the car; at what angle (from vertical) does it hang?
h.
A brake is applied, slowing the car to rest in 18 s. How much work must be done
by the brake?
i.
How much torque is required to bring the car to rest in 18 s?
j.
How many revolutions does the car make as it slows to rest?
Transcribed Image Text:3. A 60 kg woman rides an amusement park ride in which the 190 kg car traverses a circle of radius R = 12 m at constant speed v = 9.0 m/s. What is the angular velocity of the car? a. b. Determine the acceleration (magnitude and direction) experienced by the car. С. Determine the magnitude and direction of the fictitious force experienced by the woman. d. What coefficient of static friction is needed to prevent her from sliding in her seat? е. The car traverses a half-circle. How much work is done by centripetal force on the person? f. What is the magnitude and direction of the centripetal force on the woman and car combined? There is a pendulum in the car; at what angle (from vertical) does it hang? h. A brake is applied, slowing the car to rest in 18 s. How much work must be done by the brake? i. How much torque is required to bring the car to rest in 18 s? j. How many revolutions does the car make as it slows to rest?
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