Posted by **Sidney** on Wednesday, October 23, 2013 at 6:27pm.

A Ferris wheel is 60 meters in diameter and rotates once every 12.5s. what is the ratio of a person's apparent weight to her real weight (a) at the top, and (b) at the bottom?

- Physics -
**bobpursley**, Wednesday, October 23, 2013 at 7:37pm
w (rad/sec)=2PI/12.5 rad/sec

centripetal force=m w^28r=m*(2PI/1.25)^2*30

real weight=mg

apparent weight at top=realweight-centripetal force

apparent weight at bottom=real weight+centripetal force

- Physics -
**Sidney**, Wednesday, October 23, 2013 at 9:32pm
can you help solve it because i don't understand it

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