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When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 7.8x10-7 m and a maximum speed of 2.7x10-3 m/s.
(a) What is the frequency (in Hz) of the eardrum's vibrations?
(b) What is the maximum acceleration of the eardrum?
Bowling balls can be made from a variety of substances and are required to have a circumference of roughly 27.0 inches. calculate the thickness of the shell
A thin, cylindrical rod L = 20.6 cm long with a mass m = 1.20 kg has a ball of diameter d = 6.00 cm and mass M = 2.00 kg attached to one end. The arrangement is originally vertical and stationary, with the ball at the top as shown in the figure be..
The output voltage of a 63 W transformer is 15 V, and the input current is 17A. By what factor is the voltage multiplied? Assume 100% efficiency. . .
a 90kg box is pushed by a horizontal force F at a constant speed up a ramp inclined at 28 degrees. Determine the magnitude of the applied force
An airplane flying horizontally 3600 ft above the ground at 120mi/hh, drops relief aid on the ground. Resolve the angle between the vertical and the line joining plane and target at the instant when he package is released.
a 120kg horizontal flywheel with a 0.5m radius rotates friction-free about an axis through its center. what is the angular acceleration of the flywheel
Two conductors having net charges of +19.0 µC and -19.0 µC have a potential difference of 19.0 V between them. Determine the capacitance of the system.
In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (?78.5°C) and in boiling pentane (36.1°C). What pressure would be found at the boiling point of water
Three liters (3000 cm3) of oil is spilled onto a smooth lake. If the oil spreads out uniformly until it makes a circular oil slick just one molecule thick, estimate the diameter of the oil slick
The light then passes through an analyzer at an angle of 22.5º to the polarizer. What is the intensity of light leaving the analyzer
Suppose you are driving in the High Sierras from Mammoth Mountain to the Owens Valley 2038 m below. what would be your approximate final speed
The metal equilateral triangle in the figure, 20 {rm cm} on each side, is halfway into a 0.10 {rm T} magnetic field.What is the magnetic flux through triangle.
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