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A narrow tube open at one end has varibale length. When a vibrating tuning fork is held near one end, the sound intensity is a maximum when the length is 30cm.
(a) What is a possible wavelength of the sound?
(b) What is a possible frequency of the tuning fork?
(c) What is another frequency that would produce resonance with the tube?
A child places a picnic basket on the outer rim of a merry-go-round that has a radius of 4.2 m and revolves once every 33 s. What is the speed of a point on that rim
You desire to observe details of the Statue of Freedom, the sculpture by Thomas Crawford that is the crowning feature of the dome of the United States Capitol in Washington D.C. what focal length should the eyepiece have
Nichrome wire of cross-sectional radius 0.788 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
A wire has a diameter of 1.74 mm and a length of 37 m, What is the resistivity of the wire?
Two equally charged particles each have a mass of .015kg. They are suspended by a light string. determine The magnitude of the repulsive electric force
Ions A and B are separated by 12 E -10m. Ion A has a charge of -2e. The electrostatic force between the two ions has a magnitude of 1.598 E -9 N. How many electrons are "missing" from it
At a dock, a crane lifts a 2094 kg container 14 m, swings it out over the deck of a freighter, and lowers the container into the hold of the freighter, How much work is done by the crane on the container?
A runner is practicing on a circular track that is 535 m in circumference. From the point farthest to the east on the track, he starts off running due south and follows the track as it curves around toward the west.
A skateboarder shoots off a ramp with a velocity of 6.4 m/s, directed at an angle of 55° above horizontal.
A typical helium nucleus consists of two protons and two neutrons. What is the electric force between the nucleus and one of the electrons orbiting the nucleus
An intergalactic rock star bangs his drum every 1.50 s. A person on earth measures that the time between beats is 2.30 s. How fast is the rock star moving relative to the earth
Before throwing a 1.49 kg discus, an athlete rotates it along a circular path of radius 1.18 m. The maximum speed of the discus is 25.7 m/s.
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