A simple pendulum comprised of a bob of mass m = 112 g and a lightweight string of length 76.0 cm is released from rest from an initial angle of 20.0° from the vertical. (a) Using the approach of simple harmonic motion, what is the maximum speed of the pendulum bob? m/s (b) Using the approach of simple harmonic motion, what is the maximum angular acceleration of the bob? rad/s? (c) How does the speed found in part (a) compare with that found by using a conservation of energy approach? (Assume that the values are nearly the same if withir 10% of each other.) O The speed is very different from that from part (a). O The speed is nearly the same as that from part (a).

A simple pendulum comprised of a bob of mass m = 112 g and a lightweight string of length 76.0 cm is released from rest from an initial angle of 20.0° from the vertical. (a) Using the approach of simple harmonic motion, what is the maximum speed of the pendulum bob? m/s (b) Using the approach of simple harmonic motion, what is the maximum angular acceleration of the bob? rad/s? (c) How does the speed found in part (a) compare with that found by using a conservation of energy approach? (Assume that the values are nearly the same if withir 10% of each other.) O The speed is very different from that from part (a). O The speed is nearly the same as that from part (a).

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter16: Oscillations

Section: Chapter Questions

Problem 31PQ

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