A child twirls a small 50-g ball attached to the end of a l-m string so that the ball traces a circle in a verti- cal plane as shown. What is the minimum speed v which the ball must have when in position 1? If this speed is maintained throughout the circle, calculate the tension T in the string when the ball is in posi- motion of the child's hand. tion 2. Neglect any small .

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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3/60 A child twirls a small 50-g ball attached to the end of
a l-m string so that the ball traces a circle in a verti-
cal plane as shown. What is the minimum speed v
which the ball must have when in position 1? If this
speed is maintained throughout the circle, calculate
the tension T in the string when the ball is in posi-
tion 2. Neglect any small motion of the child's hand.
1m
Problem 3/60
Transcribed Image Text:3/60 A child twirls a small 50-g ball attached to the end of a l-m string so that the ball traces a circle in a verti- cal plane as shown. What is the minimum speed v which the ball must have when in position 1? If this speed is maintained throughout the circle, calculate the tension T in the string when the ball is in posi- tion 2. Neglect any small motion of the child's hand. 1m Problem 3/60
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