Presentation 4-16-13.notebook April 16, 2013

PendulumSHM????

F=-kx

Hooke's Law

Restoring Force?

Arc Length = ??

Period

T=2π mk

Spring Pendulum

F=-kx F=-mgL

s

Presentation 4-16-13.notebook April 16, 2013

A pendulum clock that works perfectly on the Earth is taken to the Moon. (a) Does it run fast or slow there? (b) If the clock is started at 12:00 midnight, what will it read after one Earth day? Assume the free-fall acceleration on the Moon is 1.63 m/s2.

Presentation 4-16-13.notebook April 16, 2013

Presentation 4-16-13.notebook April 16, 2013

Presentation 4-16-13.notebook April 16, 2013

or density waves

Demo

Presentation 4-16-13.notebook April 16, 2013

(Crest)

The amount of

Presentation 4-16-13.notebook April 16, 2013