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Through what angle in degrees does a 33 rpm record turn in 0.25 s? If the diameter of the record is 12 inches, what is the speed of the outer rim of the record?
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed. The radius of the orbit is 4.41 × 10-11 m. Determine the magnitude..
18.53 Mars is 1.52 times farther away from the sun than the earthis and has a diameter.532 times that of the Earth. Estimate the tempreature on the surface of Mars
When the displacement in SHM is 0.4 the amplitude A, what fraction of the total energy is kinetic energy, What fraction of the total energy is potential energy
A driver measures her "cold" tire gauge pressure to be 2.02 105 Pa. The measurement is made before driving, Find the final temperature of the air in the tires
A uniform disk of mass 0.72 kg and radius 5.3 cm is mounted in the center of a 10 cm axle and spun at 717 rev/min. find the magnitude of the angular velocity of precession
q1. a pinball machine launches a 139 g ball with a spring-driven plunger. the game board is inclined at 6 above the
Three deer, A, B, and C, are grazing in a field. Deer B is located 63.4 m from deer A at an angle of 53.0 ° north of west. Deer C is located 77.8 ° north of east relative to deer A. The distance between deer B and C is 93.3 m. What is the distance..
A telephoto camera lens system needs to be able to form reasonably sized images of distant objects, Find the height of the final image formed by the two lenses. Is it upright or inverted
A source in vacuum emits electromagnetic radiation in every direction. Calculate the frequency and wavelength of this wave
A particle of mass 0.500 kg is attached to the 100-cm mark of a meterstick of mass 0.200 kg. Calculate the angular momentum of the system
In a tornado or hurricane, a roof may tear away from the house because of a difference in pressure between the air inside and the air outside. What is the magnitude of the force on the roof
q1. the international space station orbits the earth at the average altitude of 362 km. assume that its orbit is
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