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A wave with a frequency of 1200 Hz propagates along a wire that is under a tension of 800 N. Its wavelength is 17.2 cm. What will be the wavelength if the tension is decreased to 600 N and the frequency is kept constant?
Answer in units of cm
Two identical small charged spheres hang in equilibrium with equal masses as shown in the figure. The length of the strings are equal and the angles with the vertical are identical. The acceleration of gravity is 9.8 m/s2 and the value of Coulomb’..
Two identical pucks are on an air table. Puck A has an initial velocity of 2.5 m/s in the positive x-direction. What is the speed and direction of puck B after the collision
The wave function for a wave on a taut string is y(x, t) = 0.360 sin(8?t ? 3?x + ?/4) where x and y are in meters and t is in seconds. find the energy contained in each cycle of the wave
rate at which mechanical energy is transferred to the turbine blades, assuming 60 percent efficiency.
The graph shows the component of a force acting on an object, Find the work done by the force over the specified intervals of displacement
) If the pressure of the 2.2-cm3 volume is reduced to 1.2 10-11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
A person with a remote mountain cabin plans to install her own hydroelectric plant. A nearby stream is 3.00 m wide and 0.500 m deep. Water flows at 1.05 m/s over the brink of a waterfall 5.10 m high. The manufacturer promises only 25.0% efficiency..
Two metal cubes, one copper and one aluminum, with sides of length a are arranged as shown, find the thermal resistance of each cubeb
A solid 2.5 kg ball with a radius 30 cm sits at top of ramp which is at an angle of 30 degrees from the floor. How much energy does the ball have at the bottom of the ramp
A river flows due south with a speed of 2.30 . A man steers a motorboat across the river; his velocity relative to the water is 4.40. What is the velocity of the boat relative to the earth
Presume the child remains horizontal during the fall to the floor. Note that a more complicated fall could result in a head velocity greater or less than the speed you calculate.
The giant hornet Vespa mandarinia japonica preys on Japanese bees. However, if one of the hornets attempts to invade a beehive, several hundred of the bees quickly form a compact ball around the hornet to stop it. They don't sting, bite, crush, or..
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