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Waves on a particular string travel with a velocity of 10 m/s. A high-speed photograph shows that successive peaks are 0.40 m apart along the string. What is the frequency of the waves?
a wooden block with mass 1.05 is placed against a compressed spring at the bottom of a slope inclined at an angle of
Now suppose the gliders in the previous problem collide completely inelastically so that they stick together rather than rebounding off each other after they collide. Compare the initial and final kinetic energies
A box has a partition with 10% of its volume one side. The larger section of the box contains 500 Ar atoms and the smaller 100He atoms. A small hole is put into the partition. At equilibrium, what is the mean number of atoms of each type?
A particle falls in Earth's gravity. The force of air resistance is F = ??v v(bold) where v(bold) is the velocity, v is the speed, Suppose the initial velocity is 0. How far has the object fallen when the speed is one-half the terminal speed
a plastic ball with internal diameter of 1.00 m is filled with air. the ball is attached to a uniform steel cable that
The waves from a radio station can reach a home receiver by two paths. One is a straight-line path from transmitter to home, a distance of 22.0 km. Find the minimum height of the ionospheric layer
find static friction between the chair and the floor.
a i use the huygens principle to explain how plane parallel wavefronts are diffracted at a single aperture.ii use the
A catfish is 5.90 m below the surface of a smooth lake. What is the diameter of the circle on the surface through which the fish can see the world outside the water
Select all that apply. Which is the following statements is true?
A mass of 12.2 kg is attached to a string which is wrapped around a cylindral spool of radius 10 cm and moment of inertia 4.00 kg* m square.
A Van de Graaff accelerator is essentially a parallel plate capacitor. Such a machine is changed by an electrical potential of 2.5 x 10^6 volts. What is the energy density stored in the field
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