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By what factor will the moment of inertia increase in the compact disck that is the same thickness as a current disk but twice the diameter?
The moment of inertia of the compact disk will increase by a factor of 4 (2 raised to the power of 2) when its diameter is doubled while maintaining the same thickness. This is because moment of inertia is proportional to the square of the radius.
What unit would you measure a compact disc?
Radius or diameter in inches or cm. thickness in thousandths or hundredths of an inchor mm.
What is the Width of CD?
The width of a standard CD (Compact Disc) is 120 millimeters (12 centimeters or about 4.7 inches). This diameter is consistent across most CDs, including audio CDs, CD-ROMs, and other types of compact discs. The thickness of a CD is approximately 1.2 millimeters.
What are the dimensions of a compact disc?
A standard compact disc is 120 millimeters in diameter (or approximately 4.72 inches).
What is the diameter of a CD disk?
The circumfrence of a compact disk is 37.6991118 cm or 37.70cm rounded or nearly 15 inches.
How big is 3.5 cm diameter?
A diameter of 3.5 cm is equivalent to approximately 1.38 inches. This size is similar to the diameter of a standard bottle cap or a small coin, making it relatively compact. To visualize it, it would be about the width of a large marble.
What type of stress makes rocks thicker?
Compressive stress makes rocks thicker by pushing the rock layers together, causing them to compact and increase in thickness. This type of stress typically occurs when tectonic plates collide, leading to the formation of mountain ranges and thicker rock layers.
How do you find the area of a compact disc?
Suppose the diameter of the disk is D cm so that the radius is D/2 = R cm. Suppose the diameter of the hole is d cm so that its radius is d/2 = r cm. Then the area of one side of te disc is pi*(R^2 - r^2) Therefore the total area of the two sides is 2*pi*(R^2 - r^2) square cm. This ignores the surface area of the edge which, although small, is not 0.
Home Lift?
Home lift for homes are designed as a compact solution for your home and can be installed with just a 1010mm diameter for its base space.
What is a average measurements for a keyring?
The average measurements for a keyring typically range from about 1 to 3 inches in diameter, with a thickness of approximately 0.1 to 0.3 inches. Most keyrings are designed to hold multiple keys while being lightweight and compact enough for easy carrying. The size can vary based on design and functionality, but these measurements are common for standard keyrings.
What is the diameter of a CD hole in imperal?
The diameter of the hole in the center of a standard compact disc (CD) is approximately 15 millimeters, which is about 0.59 inches in imperial units. This central hole allows the CD to be mounted on a spindle during playback.
What is the thickness of a cassette tape?
A standard cassette tape has a magnetic tape that is typically about 0.15 millimeters (150 micrometers) thick. This thickness allows for the recording of audio signals while maintaining a compact and flexible format. The tape is housed within a plastic shell that protects it and facilitates playback.
