3. A boy is swinging as shown below. When = 50°, his velocity is moving downward at v = 10 ft/s. The boy's mass is 1.95 slugs. Answer the following questions. a. Which coordinate system works best for analyzing the boy's motion using Newton's 2nd Law? Why? b. Draw and label a free-body diagram (using S.P.R.E.A.D.) and a kinetic diagram of the boy. Do not label the figure provided. C. What is the boy's tangential acceleration at this instant? Show your work. Magnitude rounded to 3 sig. fig. Units d. What is the total tension in the rope at this instant? Show your work. 10 ft Direction
3. A boy is swinging as shown below. When = 50°, his velocity is moving downward at v = 10 ft/s. The boy's mass is 1.95 slugs. Answer the following questions. a. Which coordinate system works best for analyzing the boy's motion using Newton's 2nd Law? Why? b. Draw and label a free-body diagram (using S.P.R.E.A.D.) and a kinetic diagram of the boy. Do not label the figure provided. C. What is the boy's tangential acceleration at this instant? Show your work. Magnitude rounded to 3 sig. fig. Units d. What is the total tension in the rope at this instant? Show your work. 10 ft Direction
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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Transcribed Image Text:3. A boy is swinging as shown below. When = 50°, his velocity is moving downward at v = 10 it/s. The
boy's mass is 1.95 slugs. Answer the following questions.
7
a. Which coordinate system works best for analyzing the boy's motion using
Newton's 2nd Law? Why?
b. Draw and label a free-body diagram (using S.P.R.E.A.D.) and a kinetic diagram
of the boy. Do not label the figure provided.
c. What is the boy's tangential acceleration at this instant? Show your work.
Magnitude rounded to 3 sig. fig.
Units
d. What is the total tension in the rope at this instant? Show your work.
10 ft
Direction
.G
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