12–95. The basketball passed through the hoop eventhough it barely cleared the hands of the player B whoattempted to block it. Neglecting the size of the ball,determine the magnitude v4 of its initial velocity and theheight h of the ball when it passes over player B.30°10 ft7 ft-25 ft+5 ft -|

Given Data: The horizontal distance is x = 25 ft+5 ft =30 ft. The vertical height of hoop is yf =…

Answered: 12–95. The basketball passed through…

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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Show that the girl at A can throw the ball to the boy at B by launching it at equal angles measured up or down from a 45° inclination. If vA = 10 m/s, determine the range R if this value is 15°, i.e., 0, = 45° – 15° = 30° and 02 = 45° + 15° = 60°. Assume the ball is caught at the same elevation from which it is thrown. II VA = 10 m/s A B
*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
The ball with a mass of 5 kg is attached to the rod (with negligible mass), which rotates about O in the horizontal plane. A couple moment M = 0.5 t2 N-m is applied to the system, where t is in seconds. Determine the speed of the ball at the instant t = 10 s starting from rest.
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13-53. The 2-kg block B and 15-kg cylinder A are connected to a light cord that passes through a hole in the center of the smooth table. If the block is given a speed of v = 10 m/s, determine the radius r of the circular path along which it travels. 13-54. The 2-kg block B and 15-kg cylinder A are connected to a light cord that passes through a hole in the center of the smooth table. If the block travels along a circular path of radius r = 1.5m, determine the speed of the block.
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