Peter starts out from a restaurant traveling at 24 mph. Alex leaves the restaurant 15 minutes later, traveling at 36 mph in the
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To solve this problem, the concepts related to the balance of forces must be applied. In this case the two forces that must be in balance are the Weight and the centripetal force. Both forces are derived from Newton's second law, one of the linear movement and the other of the angular movement. The centripetal force is given by the function
Here,
m = mass
v =Velocity
R = Radius
And the force product of the weight is given under the function
Here,
m = Mass
g = Gravity
As both forces are in balance we will have
Speed would be
Replacing
The radius must be 12.6m