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Halley's comet moves about the Sunin an elliptical orbit, with its closest approach to the Sun being0.59 A.U. and its greatest distance being 35 A.U. (1 A.U. =Earth-Sun distance). If the comet's speed at closest approach is43 km/s, what is its speed when it isfarthest from the Sun? You may neglect any change in the comet'smass and assume that its angular momentum about the Sun isconserved.
km/s
Scientists in a laboratory produce a sound wave in a simulated environment (air) with a velocity of 448 m/s. What is the temperature (in Kelvin) of the environment
The power supplied to a typical black-and-white television set is88 W when the set is connected to 120V. How much electrical energy does this setconsume in 1 hour?
A laser is used in eye surgery to weld a detached retina back intoplace. The wavelength of the laser beam is 514 nm, while the poweris 1.5 W. how many photons are emitted by the laser
Two thin lenses with a focal length of magnitude 12.0cm, the first is diverging and the second is converging, are located 9.00cm apart. Can you help me determine if the image is real or virtual
A simple pendulum consists of a ball connected to one end of a thin brass wire. Determine the change in the period of the heated pendulum
An 80.0 kg person carries a 25 N package up aflight of stairs. The vertical height of the stairs is 10.0 m. How much total work did the person do on herself and the package
An 60 kg skier is sliding down a ski slope at a constant velocity. The slope makes an angle of 5 degrees above the horizontal direction. What is the coefficient of kinetic friction between the skis and the snow
A beam of gamma rays from a distant galaxy is observed through two polarizing filters whose transmission axis is at a 45 degree angle relative to each other here on earth. What is the intensity of the output beam
Two waves are traveling in the same direction along a stretched string. The waves are 45.0° out of phase. Each wave has an amplitude of 7.00 cm. Find the amplitude of the resultant wave
A water filled pipe has water flowing at 5.70 m/s in a section of pipe where the diameter is 19.2 cm, What is the volume flow rate through the smaller pipe
Compute the quantum length (thermal de Broglie wavelength) in nanome-ters and the chemical potential in electron volts of 4He gas at room temperature and pressure
A monatomic gas is adiabatically compressed to 0.500 of its initial volume. How do each of the following quantities change The molar specific heat at constant volume
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