An overhead view of part of a pinball game is shown. If the plunger imparts an initial speed of 3.8 m/s to the ball at time t = 0, determine the acceleration a of the ball (a) at time t = 0.10 s and (b) at time t = 0.21 s. At point F, the speed of the pinball has decreased by 12% from the initial value, and this decrease may be assumed to occur uniformly over the total distance traveled by the pinball. Use the values r = 200 mm and 0 = 54°

Elements Of Electromagnetics
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An overhead view of part of a pinball game is shown. If the plunger imparts an initial speed of 3.8 m/s to the ball at time t = 0, determine
the acceleration a of the ball (a) at time t = 0.10 s and (b) at time t = 0.21 s. At point F, the speed of the pinball has decreased by 12%
from the initial value, and this decrease may be assumed to occur uniformly over the total distance traveled by the pinball. Use the
values r = 200 mm and 0 = 54%
A
Answers:
2
(a) t = 0.10 s, a=
x
B
(b) t = 0.21s, a= (i
D
E
+
i+ i
F
j) m/s²
j) m/s²
Transcribed Image Text:An overhead view of part of a pinball game is shown. If the plunger imparts an initial speed of 3.8 m/s to the ball at time t = 0, determine the acceleration a of the ball (a) at time t = 0.10 s and (b) at time t = 0.21 s. At point F, the speed of the pinball has decreased by 12% from the initial value, and this decrease may be assumed to occur uniformly over the total distance traveled by the pinball. Use the values r = 200 mm and 0 = 54% A Answers: 2 (a) t = 0.10 s, a= x B (b) t = 0.21s, a= (i D E + i+ i F j) m/s² j) m/s²
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