Bodies Revolution Wheels
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Bodies Revolution Wheels
help on circular motion?
Sasha's favorite ride at the fair is the Ferris wheel that has a radius of 7.0m.
If the ride takes 20.0s to make one full revolution, what is the linear speed of the wheel?
What centripetal force will the ride exert on Sash's 50 kg body?
In order for Sasha to feel weightless at the top of the ride, at what linear speed must the Ferris wheel turn?
At this speed, how much will she appear to weigh at the bottom of the Ferris wheel?
The linear speed is the circumference per 20.0 seconds.
The centripetal force will be the mass times the velocity squared divided by the radius.
For her to feel weightless, set the force centripetal equal to Sasha's weight (mass times accel of gravity) and solve for v.
She will have an apparent weight of mg+mv^2/r.
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Ridge Racer Revolution Soundtrack [part 2]
Why is that we couldn't 'see' the revolution of any celestial body's although all of them are revolving.?
Although celestial bodies and planets are revolving with a great speed, why couldn't we not able to "see" that as we could see the spinning of a car wheel etc?
Look at this. It shows Jupiter over a few hours.
http://www.youtube.com/watch?v=x5tRK_O6Qpc
"Along the road-dust of the sun,"
–the subjects in the poem might have experienced hardships to achieve something…
well, i just felt it that way…
I don't even know what the poem is all about…
Is this poem pertaining to some events in the bible?