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physic ap hw help

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maximilian91's picture
Joined: Jan 2008
physic ap hw help

You put your pet mouse on a spinning disk and watch her as she begin to run around its circumference. The disk have diameter of 72 cm and had the mass of 623g. The mouse had a mass of 181g run in a constant speed of 1.3m/s across flat ground. Assume the disk has nearly frictionless. Once the mouse get running at regular speed.
A) How long does it take for the mouse to make one revolution to you?
B) How fast do the mouse traveling relative to you.
C) How fast does the disk rotate relative to you?

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