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 = 0.59t -0.039t², where is in radians and t is in seconds. The slider is at r= 1.31 m when t = 0 and thereafter is drawn inward at the constant rate of 0.11 m/s. Determine the velocity v and acceleration a of the slider when t = 2.0 s. Express your answers in the x-y coordinate system. Answers: At t = 2.0 s, v = (i a=( i it i i+ i Next question j) m/s j) m/s²

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 = 0.59t -0.039t², where is in radians and t is in seconds. The slider is at r= 1.31 m when t = 0 and thereafter is drawn inward at the constant rate of 0.11 m/s. Determine the velocity v and acceleration a of the slider when t = 2.0 s. Express your answers in the x-y coordinate system. Answers: At t = 2.0 s, v = (i a=( i it i i+ i Next question j) m/s j) m/s²

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

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

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 = 0.59t -0.039t2, where is in radians and t is in seconds. The slider is at r = 1.31 m when t = 0 and thereafter is drawn
inward at the constant rate of 0.11 m/s. Determine the velocity v and acceleration a of the slider when t = 2.0 s. Express your answers
in the x-y coordinate system.
Answers: At t = 2.0 s,
v = (
a =
i
i
P
i+ i
i+
i
Next question
j) m/s
j) m/s²

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