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. h, 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.

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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 vD =
17.98 m/s.
III.) slides off a cliff that is hp=17 m tall, into a lake.
h,
D
R
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.
B
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 vD = 17.98 m/s. III.) slides off a cliff that is hp=17 m tall, into a lake. h, D R 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. B
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 h; =
m =
Transcribed Image Text: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 h; = m =
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