1.

An amusement park ride called "The spinning Terror" is a large vertical drum which spins so fast that everyone stays pinned against the wall when the floor drops away the minimum

Answer»

angular velocity is `omega_("min")= sqrt((g)/(muR))` for everyone to stay INSIDE.
linear velocity is `v_("min")=sqrt((g)/(muR))` for everyone to stay inside.
angular velocity is `omega_("min")= sqrt((GR)/(mu))` for everyone to stay inside.
linear velocity is `v_("min")= sqrt((gR)/(mu))` for everyone to stay inside.

Solution :
`mg=muN`
`N=m omega_("min")^(2) r`
` rArr mg = mu MR omega_("min")^(2)`
`rArr omega_("min")= sqrt((g)/(muR)) and v_("min")=omega_("min")xxR=sqrt((gR)/(mu))`


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