4) A racquetball player encounters a ball coming towards him at a velocity of 22 m/s and at an angle of 5° below the horizontal. He is able to return the ball at a velocity of 30 m/s at an angle of 15° above the horizontal. The 40 gram racquetball is in contact with the racket for 0.04 s. a) Clearly draw coordinate systems for the incoming and outgoing velocity of the racquetball (there should be two). Write out the necessary transformation arrays. b) Draw an FBD of the racquetball. Compute the magnitude of the force exerted by the racquet on the ball. c) Find the angle between the force and horizontal. [Ans. to Check: 6.99°] „V½ = 30 m/s

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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4) A racquetball player encounters a ball coming towards him at a velocity of 22 m/s and at an
angle of 5° below the horizontal. He is able to return the ball at a velocity of 30 m/s at an
angle of 15° above the horizontal. The 40 gram racquetball is in contact with the racket for
0.04 s.
a) Clearly draw coordinate systems for the incoming and outgoing velocity of the racquetball
(there should be two). Write out the necessary transformation arrays.
b) Draw an FBD of the racquetball. Compute the magnitude of the force exerted by the
racquet on the ball.
c) Find the angle between the force and horizontal. [Ans. to Check: 6.99°]
„V, = 30 m/s
02 = 15°
0,= 5
V, = 22 m/s
5:58 PM
57°F Mostly sunny
3/6/2022
Type here to search
99+
Transcribed Image Text:4) A racquetball player encounters a ball coming towards him at a velocity of 22 m/s and at an angle of 5° below the horizontal. He is able to return the ball at a velocity of 30 m/s at an angle of 15° above the horizontal. The 40 gram racquetball is in contact with the racket for 0.04 s. a) Clearly draw coordinate systems for the incoming and outgoing velocity of the racquetball (there should be two). Write out the necessary transformation arrays. b) Draw an FBD of the racquetball. Compute the magnitude of the force exerted by the racquet on the ball. c) Find the angle between the force and horizontal. [Ans. to Check: 6.99°] „V, = 30 m/s 02 = 15° 0,= 5 V, = 22 m/s 5:58 PM 57°F Mostly sunny 3/6/2022 Type here to search 99+
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