tion of the briefcase when it is stationary relative to the car? Under what condition does the briefcase begin to move relative to the car? (b) What is the coefficient of static friction between the briefcase and seat surface? 30. QCA pail of water is rotated in a vertical circle of radius 1.00 m. (a) What two external forces act on the water in the pail? (b) Which of the two forces is most important in causing the water to move in a circle? (c) What is the pail's minimum speed at the top of the circle if no water is to spill out? (d) If the pail with the speed found in part (c) were to suddenly disappear at the top of the circle, describe the subsequent motion of the water. Would it differ from the motion of a projectile? 31. MA 40.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter6: Applications Of Newton's Laws
Section: Chapter Questions
Problem 58P: Calculate the maximum acceleration of a car that is heading up a 4.00slope (one that makes an angle...
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question 30 please

tion of the briefcase when it is stationary relative to the
car? Under what condition does the briefcase begin to
move relative to the car? (b) What is the coefficient of
static friction between the briefcase and seat surface?
30. QCA pail of water is rotated in a vertical circle of
radius 1.00 m. (a) What two external forces act on the
water in the pail? (b) Which of the two forces is most
important in causing the water to move in a circle?
(c) What is the pail's minimum speed at the top of the
circle if no water is to spill out? (d) If the pail with the
speed found in part (c) were to suddenly disappear at
the top of the circle, describe the subsequent motion
of the water. Would it differ from the motion of a
projectile?
31. MA 40.0-kg child takes a ride on a Ferris wheel that
rotates four times each minute and has a diameter of
Transcribed Image Text:tion of the briefcase when it is stationary relative to the car? Under what condition does the briefcase begin to move relative to the car? (b) What is the coefficient of static friction between the briefcase and seat surface? 30. QCA pail of water is rotated in a vertical circle of radius 1.00 m. (a) What two external forces act on the water in the pail? (b) Which of the two forces is most important in causing the water to move in a circle? (c) What is the pail's minimum speed at the top of the circle if no water is to spill out? (d) If the pail with the speed found in part (c) were to suddenly disappear at the top of the circle, describe the subsequent motion of the water. Would it differ from the motion of a projectile? 31. MA 40.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of
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