Given that the launch speed of the ball is vo, the direction of the initial velocity is 0= 30°, and the gravitational acceleration is g = 9.81 m/s², (i) t = 0 s, write down the horizontal and vertical coordinates x and y of the ball as functions of t if the coordinates (x and y) are defined as shown in Figure 2-2 and the ball is at the origin when and vo, and (ii) determine the initial velocity vo at which the ball must be shot to sink it. a = 7 m/s? $ = 30° vo 400 m

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Given that the launch speed of the ball is vo, the direction of the initial velocity is 0= 30°, and the
gravitational acceleration is g = 9.81 m/s²,
if the coordinates (x and y) are defined as shown in Figure 2-2 and the ball is at the origin when
(i)
t = 0 s, write down the horizontal and vertical coordinates x and y of the ball as functions of t
and vo, and
(ii)
determine the initial velocity vo at which the ball must be shot to sink it.
a = 7 m/s²
$ = 30°
400 т
Transcribed Image Text:Given that the launch speed of the ball is vo, the direction of the initial velocity is 0= 30°, and the gravitational acceleration is g = 9.81 m/s², if the coordinates (x and y) are defined as shown in Figure 2-2 and the ball is at the origin when (i) t = 0 s, write down the horizontal and vertical coordinates x and y of the ball as functions of t and vo, and (ii) determine the initial velocity vo at which the ball must be shot to sink it. a = 7 m/s² $ = 30° 400 т
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