The slider P can be moved inward by means of the string S, while the slotted arm rotates about point O. The angular position of the arm is given by 0-0.53t-0.036t2, where 9 is in radians and t is in seconds. The slider is at r-1.29 m when t-0 and thereafter is drawn inward at the constant rate of 0.12 m/s. Determine the velocity v and acceleration a of the slider when t-3.1 s. Express your answers in the x-y coordinate system. Answers: Att-3.1 s, v-i -0.122 i 0.2822 i) m/s j) m/s² a-( -0.1082 i 0.142 i+

The slider P can be moved inward by means of the string S, while the slotted arm rotates about point O. The angular position of the arm is given by 0-0.53t-0.036t2, where 9 is in radians and t is in seconds. The slider is at r-1.29 m when t-0 and thereafter is drawn inward at the constant rate of 0.12 m/s. Determine the velocity v and acceleration a of the slider when t-3.1 s. Express your answers in the x-y coordinate system. Answers: Att-3.1 s, v-i -0.122 i 0.2822 i) m/s j) m/s² a-( -0.1082 i 0.142 i+

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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Conservation of Energy

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Question

The slider P can be moved inward by means of the string S, while the slotted arm rotates about point O. The angular position of the arm
is given by 0-0.53t-0.036t2, where 0 is in radians and t is in seconds. The slider is at r-1.29 m when t-0 and thereafter is drawn
inward at the constant rate of 0.12 m/s. Determine the velocity v and acceleration a of the slider when t - 3.1 s. Express your answers
in the x-y coordinate system.
8
Answers: Att - 3.1 s,
V-
i -0.122
i+
i
0.2822
j) m/s
a-( i -0.1082
i+
i
0.142
j) m/s²

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