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A baton twirler throws a spinning baton directly upward. As itgoes up and returns to the twirler's hand, the baton turns through6.38 revolutions. Ignoring air resistance and assuming that theaverage angular speed of the baton is 2.94 rev/s, determine the height to which the center of the baton travels above the point ofrelease.
an oil-filled capacitor has square parallel plates 23 cm on a side separated by 0.48 mm. when the capacitor is charged
an electric dipole consists of charges 2e and -2e separated by 0.99 nm. it is in an electric field of strength 3.6 x
Two point charges, +3.18 µC and -5.50 µC, are separated by 1.22 m. What is the electric potential midway between them
Consider a bright star in our night sky. Assume that its power output is 3.20 1028 W, about 80 times that of the Sun, and that its distance is 21.0 ly. Find the intensity of the starlight at the Earth
A pipe open only at one end has a fundamental frequency of 256 Hz. A second pipe, initially identical to the first pipe, is shortened by cutting off a portion of the open end.
Ed cycled 75.57 km inone hour. Suppose the entire distance was made by traveling oncearound a large circular track. what is the average force that maintains his circular motion
Obtain the wavelengths in vacuum for blue light whose frequency is 6.46 Ã- 1014 Hz
Calculate the average kinetic energy and the average potential energy for the 2nd excited state of a harmonic oscilator. use expectation values to calculate a quantum mechanical average, show integrations.
three identical electrically charged balls each of mass 2 kg are suspended from a common point with strings of the same
The wave function for a wave on a taut string is given below, wherex is in meters and t is in seconds. What is the energy contained in each cycle of the wave
a horizontal force of 200n is applied to a 55-kg cart across a 10m level surface. if the cart accelerates at 2.0 ms2
Suppose that the air bubble is always in thermal equilibrium with the surrounding water.
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