A goat enclosure is in the shape of a right triangle. One leg of the enclosure is built against the side of the barn. The other
leg is 2 feet more than the leg against the barn. The hypotenuse is 4 feet more than the leg along the barn. Find the length, in feet, of the three sides of the goat enclosure. (Simplify your answers completely.)
1 answer:
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Answer:
v=32.9m/s
Explanation:
The acceleration needed to mantain a circular motion of radius r and speed v is given by the equation
This is the centripetal acceleration. The person will feel what is called a centrifugal acceleration, of the same value, because he is not in an inertial frame (thus subject to fictitious forces, product of inertia).
We want to know the speed of his head when it is subject to 12.5 times the value of the acceleration of gravity while moving on a 8.84m radius circle, so we must do: