How fast is the star moving with respect to earth
Light of wavelength 659.9 nm is emitted by a star. The wavelength of this light as measured on Earth is 660.9 nm. How fast is the star moving with respect to Earth?
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A solid non-conducting sphere of radius 0.01m has a total charge 5C and a uniform charge distribution. Using Gauss's Law, determine the electric field (as a vector) in the regions r < 0.01m and r > 0.01m
The turntable of a record player rotates initially at the rate 33 rev/min and takes 14.07 s to come to rest. What is the angular acceleration of the turntable, assuming the acceleration is uniform?
A proton Gun fires a proton from midway between two plates, A and B, which are separated by a distance of 0.1m. The proton initially moves at a speed of 150 km/s towards plate B. Plate A is kept at zero potential, and plate B at a potential of 40
An article gave the accompanying data on ultimate load (kN) for two different types of beams. Assuming the underlying distributions are Normal, calculate and interpret a 99% CI for the difference between the true average load for the fiberglass be
When the mass is 0.35 m away from equilibrium, determine the mass's kinetic energy when it is at the equilibrium point.
An air conditioner draws 13 A at 220V ac. The connecting cord is copper wire with a diameter of 1.528mm. a) If the total length of the wire is 17 how much power is dissipated in the writing?
Tarzan, King of the Jungle (mass = 66.2 kg), grabs a vine of length 14.6 m hanging from a tree branch. What angle relative to the vertical will the vine have when Tarzan and Jane reach the highest point of their trajectory?
The coefficients of static and kinetic friction between the block and the plane are, respectively, 0.359 and 0.156. What value of F will move the block up the plane with constant velocity?
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