So you want to be an astronaut. There is a new “test” that all must go...
So you want to be an astronaut. There is a new “test” that all must go through call the vertical circle of death (well at least that is what we will call it). On this “ride” you (m=76kg) are spun in a 18m diameter vertical circle once every 1.5s.
a) what is your angular speed?
b) what is the magnitude of your centripetal acceleration?
c) what is your apparent weight at the top and the bottom of the ride?
Homework Answers
a)
w = 2 pi / T = 2* 3.14 / 1.5 = 4.187 rad/s
b)
ac = r w^2 = 9* 4.187^2 = 157.75 m/s^2
c)
apparent weight at top
W = m ac - mg
W = 76* ( 157.75 - 9.8)
W = 11244.5 N
apparent weight at bottom
W = 76 ( ac + g)
W = 12733.8 N
==========
Comment in case any doubt, will reply for sure.. Goodluck
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So you want to be an astronaut. There is a new “test” that all
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You are designing the section of a roller coaster ride shown in the figure. Previous sections of the ride give the train a speed of 16.1 m/s at the top of the incline, which is 37.1 m above the ground. As any good engineer would, you begin your design with safety in mind. Your local government's safety regulations state that the riders' centripetal acceleration should be no more than n 1.69 g at the top of the hump and no...
please ask that you clearly
go over what is different in each spot (top, bottom, and middle? I
don't understand the difference between the top and bottom, isnt
there just a normal force up and gravity down for both ? And isnt
there just a normal force up and gravity down in the middle too ??
Please help. And please make the force diagrams just so I can
really understand. (and please, please solve the whole problem I
really need...
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