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 ×

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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
×
Transcribed Image Text: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 ×
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