*15-104. A 4-lb ball B is traveling around in a circle of radius r, = 3 ft with a speed (vg), = 6 ft/s. If the attached cord is pulled down through the hole with a constant speed v, = 2 ft/s, determine how much time is required for the ball to reach a speed of 12 ft/s. How far r, is the ball from the hole when this occurs? Neglect friction and the size of the ball. Bn = 3 ft (UB)1 = 6 ft/s v, = 2 ft/s
*15-104. A 4-lb ball B is traveling around in a circle of radius r, = 3 ft with a speed (vg), = 6 ft/s. If the attached cord is pulled down through the hole with a constant speed v, = 2 ft/s, determine how much time is required for the ball to reach a speed of 12 ft/s. How far r, is the ball from the hole when this occurs? Neglect friction and the size of the ball. Bn = 3 ft (UB)1 = 6 ft/s v, = 2 ft/s
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
![*15-104. A 4-lb ball B is traveling around in a circle of
radius r, = 3 ft with a speed (vg), = 6 ft/s. If the attached
cord is pulled down through the hole with a constant speed
v, = 2 ft/s, determine how much time is required for the ball
to reach a speed of 12 ft/s. How far r, is the ball from the hole
when this occurs? Neglect friction and the size of the ball.
Bn = 3 ft
(UB)1 = 6 ft/s
v, = 2 ft/s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fca496f5b-1b49-463c-9fae-2e5fc3367154%2Fe108b7cc-7d72-41d3-b42c-0f92dff7f4d5%2Fvocneu5.png&w=3840&q=75)
Transcribed Image Text:*15-104. A 4-lb ball B is traveling around in a circle of
radius r, = 3 ft with a speed (vg), = 6 ft/s. If the attached
cord is pulled down through the hole with a constant speed
v, = 2 ft/s, determine how much time is required for the ball
to reach a speed of 12 ft/s. How far r, is the ball from the hole
when this occurs? Neglect friction and the size of the ball.
Bn = 3 ft
(UB)1 = 6 ft/s
v, = 2 ft/s
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