A bead with a hole through it slides on a wire track. The wire is threaded through the hole in the bead, and the bead slides without friction around a loop-the-loop (see figure below). The bead is released from rest at a height h = 3.60R. h A R (a) What is its speed at point A? (Use the following as necessary: the acceleration due to gravity g, and R.) v = √3.20gR (b) How large is the normal force on the bead at point A if its mass is 4.90 grams? magnitude direction 0.106 N downward ✰ (c) What If? What is the minimum height h from which the bead can be released if it is to make it around the loop? (Use any variable or symbol stated above as necessary.) h=2.5R ×
A bead with a hole through it slides on a wire track. The wire is threaded through the hole in the bead, and the bead slides without friction around a loop-the-loop (see figure below). The bead is released from rest at a height h = 3.60R. h A R (a) What is its speed at point A? (Use the following as necessary: the acceleration due to gravity g, and R.) v = √3.20gR (b) How large is the normal force on the bead at point A if its mass is 4.90 grams? magnitude direction 0.106 N downward ✰ (c) What If? What is the minimum height h from which the bead can be released if it is to make it around the loop? (Use any variable or symbol stated above as necessary.) h=2.5R ×
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 3P: Review. A bead slides without friction around a loop-the-loop (Fig. P7.3). The bead is released from...
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