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Question 19N.3.HL.TZ0.10b

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.3.HL.TZ0.10b
Level HL Paper 3 Time zone TZ0
Command term Calculate Question number b Adapted from N/A
b.
[Maximum mark: 1]
19N.3.HL.TZ0.10b

A pendulum bob is displaced until its centre is 30 mm above its rest position and then released. The motion of the pendulum is lightly damped.

(b)

After one complete oscillation, the height of the pendulum bob above the rest position has decreased to 28 mm. Calculate the Q factor.

[1]

Markscheme

Q=2π×3030-28=94.25≈94 ✔

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