15-104 - *15104 A 4-lb ball B is traveling around in a circle of radius r1 = 3 ft with a speed 1vB21 = 6 ft> s If the attached cord is pulled down

15-104 - *15104 A 4-lb ball B is traveling around in a...

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*15–104. SOLUTION A n s . A n s . t = 0.739 s (3 - 1.5213) = 2 t ¢ r = v r t r 2 = 1.5213 = 1.52 ft 4 32.2 (6)(3) = 4 32.2 (11.832)( r 2 ) H 1 = H 2 v u = 11.832 ft > s 12 = 2 ( v u ) 2 + (2) 2 v = 2 ( v u ) 2 + (2) 2 A 4-lb ball B is traveling around in a circle of radius with a speed If the attached cord is pulled down through the hole with a constant speed determine how much time is required for the ball to reach

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