Tuesday

January 27, 2015

January 27, 2015

Posted by **Confused** on Friday, October 2, 2009 at 1:05pm.

What is the ratio of a person's apparent weight to her real weight at the top?

What is the ratio of a person's apparent weight to her real weight at the bottom?

- math -
**MathMate**, Friday, October 2, 2009 at 1:25pmradius, r = 28/2 m =14 m

Period, T = 21 s

angular velocity, ω = 2π/21 rad/s

Centrifugal force, f= mrω²

actual weight, w = mg

apparent weight at top, wt = mg -f

apparent weight at bottom, wb = mg+f

Solve for f and calculate wt/w and wb/w.

- math -
**Otis**, Monday, October 4, 2010 at 11:46pmso i have a question how do you solve for f if there is no m?

- math -
**matt**, Wednesday, October 27, 2010 at 9:01amthe m's cancel at some point in the equation

**Answer this Question**

**Related Questions**

physic - A Ferris wheel 26.0m in diameter rotates once every 15.0s . What is the...

physic - A Ferris wheel 26.0m in diameter rotates once every 15.0s What is the ...

physic - A Ferris wheel 26.0m in diameter rotates once every 15.0s What is the ...

Physics - A Ferris wheel is 60 meters in diameter and rotates once every 12.5s...

Physics - A Ferris Wheel, 24.0 m in diameter, rotates once every 12.5s. What is ...

science - a passenger in a ferris wheel rates 3m/s in a vertical circle of ...

Physics - A Ferris wheel has a circumference of 93 m and it completes one ...

Physics - I have some trouble starting the problem. I don't know what equations ...

Physics - In a ferris wheel, one person is at the top and another at the bttom. ...

Physics - You take a ride in a fast elevator to the top of a tall building and ...