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A 42.0 centimeter long tube is closed at one end, and resonates at a fundamental frequency of 196.0 Hz. Evaluate the speed of sound in the air in the tube. Evaluate the first two overtones of the tube.
What is the acceleration of two falling sky divers (mass 116.0 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight? n?
The force required to stretch a Hooke's-law spring varies from 0 N to 76.4 N as we stretch the spring by moving one end 14.6 cm from its unstressed position. Find the work done in stretching the spring
one way to decrease your use of fossil fuels is to heat your water via solar radiation. a solar water heater runs cold
Two 4.9 cm× 4.9 cm metal plates are separated by a 0.19-mm-thick piece of Teflon. What is the maximum potential difference between the disks
A steady beam of alpha particles (q = + 2e, mass m = 6.68 x 10-27 kg) traveling with constant kinetic energy 26 MeV carries a current of 0.34 µA. If the beam is directed perpendicular to a flat surface, how many alpha particles strike the surface i..
A planet's moon travels in an approximately circular orbit of radius 5.4 107 m with a period of 7 h 21 min. Calculate the mass of the planet from this information
What is the wavelength of the sound because perceived by a person standing on at the crossing when the train is approaching? What is the wavelength of the sound as perceived by a person standing on at the crossing when the train is leaving?
An aluminum cylinder is suspended in an unknown fluid by a spring scale. Outside the fluid, the object weighs 20N. In the fluid,
How much work is needed to move it at constant speed.
A bimetalic strip consists of a thinstip of brass [Alphabrass=19X106(Co)-1] riveted to a thin strip of steel [Alphasteel=12X106(Co)-1]. What happens when it is heated above room temperature?
A block sits on a plate that in turn rests on the surface of a fluid, what is the pressure P in the fluid just below the plate
Consider the following two events: a concert begins in Miami, Florida and 5 seconds later (according to a clock at rest on Earth) a different concert begins in NYC. How much times passes between the two events according to someone at rest on Earth
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