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A block of mass m slides without friction along the looped track shown in the Figure below. The radius of the loop is r. What is the minimum height h the block must be released from so that it completes the loop? Hint: The block is undergoing circular motion while it is on the loop. Recall that Fnet.c = m v² /r. You will need to draw a free-body diagram of the block at the top of the loop and you will need to find the minimum speed the block needs to have at the top of the loop so that it can complete the loop. Answer: h = 2.5 r

A block of mass m slides without friction along the looped track shown in the Figure below. The radius of the loop is r. What is the minimum height h the block must be released from so that it completes the loop? Hint: The block is undergoing circular motion while it is on the loop. Recall that Fnet.c = m v² /r. You will need to draw a free-body diagram of the block at the top of the loop and you will need to find the minimum speed the block needs to have at the top of the loop so that it can complete the loop. Answer: h = 2.5 r

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter29: Nuclear Physics
Section: Chapter Questions
Problem 2P
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KE = mv², Ug = mgh, U₁ = kx², E = KE + U₁ + Us, E₁ = Ef, Ug Wfric = Ffried, Ffric= MkN, E-Wfric = Ef
Transcribed Image Text:KE = mv², Ug = mgh, U₁ = kx², E = KE + U₁ + Us, E₁ = Ef, Ug Wfric = Ffried, Ffric= MkN, E-Wfric = Ef
Problem 2: A block of mass m slides without friction along the looped track shown in the Figure below. The radius of the loop is r. What is the minimum height h the block must be released from so that it completes the loop? Hint: The block is undergoing circular motion while it is on the loop. Recall that Fnet,c = m v² /r. You will need to draw a free-body diagram of the block at the top of the loop and you will need to find the minimum speed the block needs to have at the top of the loop so that it can complete the loop. Answer: h = 2.5 r h
Transcribed Image Text:Problem 2: A block of mass m slides without friction along the looped track shown in the Figure below. The radius of the loop is r. What is the minimum height h the block must be released from so that it completes the loop? Hint: The block is undergoing circular motion while it is on the loop. Recall that Fnet,c = m v² /r. You will need to draw a free-body diagram of the block at the top of the loop and you will need to find the minimum speed the block needs to have at the top of the loop so that it can complete the loop. Answer: h = 2.5 r h
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