A conical pendulum is a weight or bob fixed on the end of a string suspended fro
ID: 1284269 • Letter: A
Question
A conical pendulum is a weight or bob fixed on the end of a string suspended from a pivot. It moves in a horizontal circular path, as shown in the diagram below.
(a) What is the tension in the string? (Use the following as necessary: m, g, and ?)
T =
(b) What is the centripetal acceleration of the bob? (Use the following as necessary: g, and ?)
ac =
(c) Suppose the bob has a mass of 0.39 kg, the length of the pendulum is 0.75 m and the angle that it swings at is 18. What is the magnitude of the centripetal acceleration?
m/s2
(d) What is the radius of the horizontal circular path?
m
(e) What is the speed of the mass?
m/s
Explanation / Answer
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A conical pendulum is a weight or bob fixed on the end of a string suspended from a pivot. It moves in a horizontal circular path, as shown in the diagram below.
(a) What is the tension in the string? (Use the following as necessary: m, g, and ?)
T = ___
(b) What is the centripetal acceleration of the bob? (Use the following as necessary: g, and ?)
ac = ___
(c) Suppose the bob has a mass of 0.43 kg, the length of the pendulum is 0.85 m and the angle that it swings at is 18
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