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## Homework Statement

An Ferris Wheel has a radius of 16m and rotates once every 20 seconds.

a) Find Centripedal acceleration.

b) Whats the effektive wheight of a 45 kg person at highest point?

c) Lowest point?

## Homework Equations

a) I tried using the a=ω

^{2}*r in a) but not sure if its right

b)

c) W

^{e}= mg - ma

Is this the correct equation for a and b?

## The Attempt at a Solution

I got out

__1,578m*s__in a) but not sure if that's correct really.

^{-2}and also strugling with b) and c)

But here's c) atleast trying using that equation:

45kg*9,82m*s

^{-2}- 45kg*1,578m*s

^{-2}=

__370,89N__Is that right?

and b) do i use same equation for upward motion?

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