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Assume that the earth is a uniform sphere and that its path around the sun is circular.
a) Calculate the kinetic energy that the earth has because of its rotation about its own axis. For comparison, the total energy used in the United States in one year is about 9.33multiplied by 109 J.
b) Calculate the kinetic energy that the earth has because of its motion around the sun.
An electron is located on a pinpoint having a diameter of 1.90 µm. What is the minimum uncertainty in the speed of the electron
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What is the range of frequency of the light emitted by the hydrogen atom
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An electron has a kinetic energy of 6.00 10-17 J. It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 4.70 10-5 T. Determine the radius of the path
sometimes a person cannot clearly see objects close up or far away. to correct this type of vision bifocals are often
The car in the drawing is moving to the left at 35 m/s. The car's horn continuously emits a 2.20 × 102 Hz sound. What is the wavelength of the sound in the direction of motion of the car
A 0.170 kg toy is undergoing SHM on the end of ahorizontal spring with force constant k=390 N/m. What is the total energy of the object at any point of its motion
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Two steel guitar strings have the same length. String A has a diameter of 0.60 and is under 450.0 of tension. Find the ratio of the wave speeds
two automobiles are equipped with the same single-frequency horn. when one is at rest, What is the frequency the horns emit
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