At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. people sit in seats facing the axis, their backs against the outer wall.
at one instant the outer wall moves at a speed of 3.2 m/s, and an 83 kg person feels a 560n force pressing against his back.

what is the radius of a chamber?

a)1.2 m

b) 1.44 m

c) 1.5 m

d) 1.65 m

explain.

C.

Explanation:

To solve the problem we need to use the concept related to Centripetal Force. According to Newton's second law, for an acceleration to occur, a force must act in the direction of that acceleration. Thus, if we consider a particle of mass m, in uniform circular motion, it will be subjected to a centripetal force given by:

Where,

m= mass

v= velocity

r = radius

Re-arrange for the radius

Our values are given by,

Replacing we have that

Therefore the correct answer is C.

car a and b are moving in opposite directions

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