Bugs Bunny (m=32 kg) starts at rest atop a h;=33 m tall hill, and then slides down. After that, Bugs: I.) slides into a swing set at the bottom of the hill, which has a R = 11 m long chain. He swings up and over the bar, with the chain managing to stay taut. (Labelled points A, B & C are at the bottom, side and top of the loop respectively.) II.) continues on flat ground, where he then hits a friction patch which is L=41.25 m long, from which he exits (at labelled point D) at speed vp = 17.98 m/s. III.) slides off a cliff that is hp=17 m tall, into a lake. В Part I: (around the swing set) a.) Sketch in the correct directions of all forces that act on Bugs at each of the points A-C. Note: At point A, Bugs has already lifted his feet off the ground.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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b.) Find the size of the tension in the chain at each point.
TA =
N
TB
N
%3D
Tc =
Part II: (through the friction patch)
c.) Find the coefficient of kinetic friction (uk) of the friction patch. Use the energy method (including friction) to get it. (Also try it with the older force
methods-- make sure both methods give the same answer!)
Part III: (off the cliff)
d.) Find Bugs Bunny's final speed just before landing in the water.
Vf =
m/s
e.) Find the time he is airborne.
t =
S
f.) Examining parts d-e, which could have been done with the energy method? With older methods? With either? If both methods would work, re-do
the part with the other method (the one you did not already use) and show it gives the same result. If you cannot use both methods, explain why the
other method doesn't work.
Finally:
g.) Elmer Fudd (unknown mass) wishes to repeat Bugs Bunny's feat. Assuming he starts from rest, what is the minimum height up the initial hill that
he must start, in order to successfully swing around the top of the swing set bar?
Please express your answer as a number and as a multiple of the circle's radius.
Elmer's minimum hi
m =
• R
%D
Transcribed Image Text:b.) Find the size of the tension in the chain at each point. TA = N TB N %3D Tc = Part II: (through the friction patch) c.) Find the coefficient of kinetic friction (uk) of the friction patch. Use the energy method (including friction) to get it. (Also try it with the older force methods-- make sure both methods give the same answer!) Part III: (off the cliff) d.) Find Bugs Bunny's final speed just before landing in the water. Vf = m/s e.) Find the time he is airborne. t = S f.) Examining parts d-e, which could have been done with the energy method? With older methods? With either? If both methods would work, re-do the part with the other method (the one you did not already use) and show it gives the same result. If you cannot use both methods, explain why the other method doesn't work. Finally: g.) Elmer Fudd (unknown mass) wishes to repeat Bugs Bunny's feat. Assuming he starts from rest, what is the minimum height up the initial hill that he must start, in order to successfully swing around the top of the swing set bar? Please express your answer as a number and as a multiple of the circle's radius. Elmer's minimum hi m = • R %D
Bugs Bunny (m=32 kg) starts at rest atop a h;=33 m tall hill, and then slides down. After that, Bugs:
I.) slides into a swing set at the bottom of the hill, which has a R = 11 m long chain. He swings up and over the bar, with the chain managing to stay
taut. (Labelled points A, B & C are at the bottom, side and top of the loop respectively.)
%|
II.) continues on flat ground, where he then hits a friction patch which is L=41.25 m long, from which he exits (at labelled point D) at speed vp
17.98 m/s.
III.) slides off a cliff that is hp=17 m tall, into a lake.
C
h,
D
Vo
R
FL-
Part I: (around the swing set)
a.) Sketch in the correct directions of all forces that act on Bugs at each of the points A-C.
Note: At point A, Bugs has already lifted his feet off the ground.
Transcribed Image Text:Bugs Bunny (m=32 kg) starts at rest atop a h;=33 m tall hill, and then slides down. After that, Bugs: I.) slides into a swing set at the bottom of the hill, which has a R = 11 m long chain. He swings up and over the bar, with the chain managing to stay taut. (Labelled points A, B & C are at the bottom, side and top of the loop respectively.) %| II.) continues on flat ground, where he then hits a friction patch which is L=41.25 m long, from which he exits (at labelled point D) at speed vp 17.98 m/s. III.) slides off a cliff that is hp=17 m tall, into a lake. C h, D Vo R FL- Part I: (around the swing set) a.) Sketch in the correct directions of all forces that act on Bugs at each of the points A-C. Note: At point A, Bugs has already lifted his feet off the ground.
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