What tension is needed to tune string properly
The lowest note on a grand piano has a frequency of 27.5Hz . The entire string is 2.00m long and has a mass of 400g . The vibrating section of the string is 1.90m long. What tension is needed to tune this string properly?
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A hand exerciser utilizes a coiled spring. a force of 89.0 N is required to compress the spring by 0.0191 m. Determine the force needed to compress the spring by 0.0508m.
A mass-spring system oscillates with an amplitude of 3.40 cm. If the spring constant is 228 N/m and the mass is 414 g, determine the mechanical energy of the system.
A dentist uses a small mirror with a radius of 44 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 17 mm from the tooth, what is the magnification of the image?
Determine whether there are "electronic privacy laws" that can prevent others from having access to "private information" as well as how effective they are.
Write a driver and fraction class that performs addition, multiplication, prints the fraction, and prints as a double.
Which of the following processes accounts for the fact that Natacha currently becomes fearful every time she smells rubbing alcohol?
A 21.0-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 80.5 N and is directed at an angle of 30.0° above the horizontal. Determine the coefficient of kinetic friction.
In the polarizer/analyzer combination in the figure below, 53.6% of the light intensity falling on the analyzer is absorbed. Determine the angle between the transmission axes of the polarizer and the analyzer.
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