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Figure 3 shows a pendulum (a 2m long massless string suspended from the ceiling, on the other end of which is a 50g mass) at an initial release angle and initial velocity (see figure). a. What angle is the pendulum at (as measured from the dotted vertical line in figure 3) when it's at rest? b. Go to figure 3 and label the places where KE is maximum, KE is minimum, PE is maximum, and PE is minimum. c. How much work does gravity do, from the point when the pendulum is released in figure 3 to the point when it is at rest in part a? d. Find the magnitude of the impulse on the pendulum, again between the point when the pendulum was released (figure 3) and the point when it is at rest.

Figure 3 shows a pendulum (a 2m long massless string suspended from the ceiling, on the other end of which is a 50g mass) at an initial release angle and initial velocity (see figure). a. What angle is the pendulum at (as measured from the dotted vertical line in figure 3) when it's at rest? b. Go to figure 3 and label the places where KE is maximum, KE is minimum, PE is maximum, and PE is minimum. c. How much work does gravity do, from the point when the pendulum is released in figure 3 to the point when it is at rest in part a? d. Find the magnitude of the impulse on the pendulum, again between the point when the pendulum was released (figure 3) and the point when it is at rest.

Elements Of Electromagnetics
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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rest Figure 3 50° h=o 4m/s
Transcribed Image Text:rest Figure 3 50° h=o 4m/s
Figure 3 shows a pendulum (a 2m long massless string suspended from the ceiling, on the other end of which is a 50g mass) at an initial release angle and initial velocity (see figure). a. What angle is the pendulum at (as measured from the dotted vertical line in figure 3) when it's at rest? b. Go to figure 3 and label the places where KE is maximum, KE is minimum, PE is maximum, and PE is minimum. c. How much work does gravity do, from the point when the pendulum is released in figure 3 to the point when it is at rest in part a? d. Find the magnitude of the impulse on the pendulum, again between the point when the pendulum was released (figure 3) and the point when it is at rest.
Transcribed Image Text:Figure 3 shows a pendulum (a 2m long massless string suspended from the ceiling, on the other end of which is a 50g mass) at an initial release angle and initial velocity (see figure). a. What angle is the pendulum at (as measured from the dotted vertical line in figure 3) when it's at rest? b. Go to figure 3 and label the places where KE is maximum, KE is minimum, PE is maximum, and PE is minimum. c. How much work does gravity do, from the point when the pendulum is released in figure 3 to the point when it is at rest in part a? d. Find the magnitude of the impulse on the pendulum, again between the point when the pendulum was released (figure 3) and the point when it is at rest.
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