# If the horizontal circular path the riders follow has a 7.00 m radius, at how many revolutions per minute will the riders be subjected to a centripetal acceleration whose magnitude is 2.25 times that due to gravity?

##
A fairgrounds ride spins its occupants inside a flying saucer-shaped container. rev/min

A fairgrounds ride spins its occupants inside a flying saucer-shaped container. rev/min

##### 1 Answer

Apr 9, 2017

centripetal acceleratrion can be expressed as:

Where

Substituting in values:

solving for

Angular velocity is the rate of change of angle

Where T = time period (time for one revolution)

Hence we can solve for T

So it completes one revolution every 3.5s. In one minute it will complete: