SOLUTION: A carousel has a radius of 19 feet and takes 30 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? Express the answer in feet pe
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Question 319575: A carousel has a radius of 19 feet and takes 30 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? Express the answer in feet per second.
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
A carousel has a radius of 19 feet and takes 30 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? Express the answer in feet per second.
.
The circumference is:
(pi)D
or
(pi)2(r)
(3.14)(2)(19) = 119.32 feet
.
Now, it's a matter of unit conversion:
1rev/30sec * 119.32feet/rev
= 119.32/30
= 3.98 feet/sec
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