Q9: It is observed that the time for the ball to strike the ground at B is 2.5 s. The speed va at which the ball was thrown is: 1.2m 50 m A. 20.5 m/s B. 45 m/s C. 78.6 m/s D. 10 m/s E. 32.4 m/s Q10: The truck travels along a circular road that has a radius of 50 m at a speed of 2 m/s. For a short distance when t 0, its speed is then increased by at (0.3t²) m/s², where t is in seconds. The speed of the %3D truck when t 3 sec is: %3D C. 36.4 m/s B. 28.4 m/s 18.4 m/s A. E. 4.7 m/s 50.2 m/s D.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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solve question 10 please nnnnn

Q9: It is observed that the time for the ball to strike the ground at B is
2.5 s. The speed va at which the ball was thrown is:
1.2m
50 m
A.
20.5 m/s
B. 45 m/s
C. 78.6 m/s
D.
10 m/s
E. 32.4 m/s
Q10: The truck travels along a circular road that has a radius of 50 m at
a speed of 2 m/s. For a short distance when t 0, its speed is then
increased by at (0.3t2) m/s², where t is in seconds. The speed of the
truck when t 3 sec is:
C. 36.4 m/s
18.4 m/s
B. 28.4 m/s
A.
E. 4.7 m/s
50.2 m/s
D.
12:22 PM
Transcribed Image Text:Q9: It is observed that the time for the ball to strike the ground at B is 2.5 s. The speed va at which the ball was thrown is: 1.2m 50 m A. 20.5 m/s B. 45 m/s C. 78.6 m/s D. 10 m/s E. 32.4 m/s Q10: The truck travels along a circular road that has a radius of 50 m at a speed of 2 m/s. For a short distance when t 0, its speed is then increased by at (0.3t2) m/s², where t is in seconds. The speed of the truck when t 3 sec is: C. 36.4 m/s 18.4 m/s B. 28.4 m/s A. E. 4.7 m/s 50.2 m/s D. 12:22 PM
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