Tuesday
July 29, 2014

# Homework Help: Physics

Posted by Sheva on Wednesday, November 17, 2010 at 9:25pm.

A Ferris wheel with radius 9.8 m rotates at a constant rate, completing one revolution every 36.6 s. Suppose the Ferris wheel begins to decelerate at the rate of 0.227 rad/s2 when a passenger is at the top of the wheel. Find the magnitude and direction of the passenger's acceleration at that time.

_____magnitude

direction______° below direction of travel

• Physics - maine lee, Tuesday, July 12, 2011 at 12:36pm

first find angular speed
then, you must find a(cp) and a(tangential)
acp=r*w2
at=r*alpha =>9.8*-.227
use a=sqrt(acp^2+at^2)

to find the angle use tan^-1(acp/at)

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