Question
3.) Find the length of the arc of a circle of diameter10meters subtended by a central angle of/3radians. Round your answer to two decimal places.
3.) Find the length of the arc of a circle of diameter10meters subtended by a central angle of/3radians.
Round your answer to two decimal places.
S = ?
4.) A sector of a circle has a diameter of22feet and an angle of/2radians. Find the area of the sector.
Round your answer to four decimal places.
A = ? ft^2
5.)bicycle with20-inch diameter wheels is traveling at14mi/h. Find the angular speed of the wheels in rad/min.
Enter the exact answer.
w = ? rad/min
How many revolutions per minute do the wheels make?
Round your answer to three decimal places.
The wheel makes ? revolutions per minute.
6.) A CD has diameter of130millimeters. When playing audio, the angular speed varies to keep the linear speed constant where the disc is being read. When reading along the outer edge of the disc, the angular speed is about220RPM (revolutions per minute). Find the linear speed.
Round your answer to two decimal places.
The linear speed of reading along the outer edge of the discis? meters per second
7.) Consider a right triangle with a side of lengthxoppositeangleA a side of lengthyoppositeangleBand a hypotenuse of lengthzopposite the right angle. IfsinB=1/2andx=23 find the length of the other side (y) and the length of the hypotenuse (z).
y = ? z = ?
10.) Assuming that a350-foot tall giant redwood grows vertically, if I walk a certain distance from the tree and measure the angle of elevation to the top of the tree to be55 how far from the base of the tree am I?
Round your answer to four decimal places.
I am about ? feet away from the base of the tree?
Side note can someone let me know how to upload images in order to make the process easier for everyone? Thank you. Saving the image and uploading it as an attachment apparently doesn't work.
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