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The mean lifetime of muons in their rest frame is 2.20 ?s. Now consider a muon traveling through the Earth's atmosphere at a speed of 0.999 c. What is the mean distance traveled before it decays?(in km)
A speed ramp at an airport is basically a large conveyor belt on which you can stand and be moved along. What is the speed at which the belt of the ramp is moving
A 92-kg skier is sliding down a ski slope that makes an angle of 30 degrees above the horizontal direction. what is the acceleration of the skier
How much work is completed on the box by the applied force
A rifle with a weight of 20 N fires a 5.0-g bullet with a speed of 220 m/s. Find the recoil speed of the rifle
use the inverse square law to display that in space shuttle territory, 200 kilometers above earth's surface, the force of gravity on a shuttle is about 94 percent of that at earth's surface.
Light of wavelength 800nm is incident on a metallic surface. if the stopping potential for the photo-electrons ejected from the metal is 0.35 volts, find the work function for the metal and the longest wavelength incident light that will eject photo-..
While taking a walk around your neighborhood, you see a flash of lightning hit the Earth in the distance. How far away did the lightning strike the ground
A bucket filled with dirt of mass 20 kg is suspended by a rope that hangs over a pulley of mass 30 kg and radius 0.25 m. What is the speed of the bucket
Two equal, positive charges, q=2.0µC are located on the x-axis, one at+0.3m and the other at -0.3m. Find the magnitude and direction of the resultant (net) force on Q
A circular radar operates at a frequency of 8 GHz and has a Diameter of 0.8 m. What is the angle at the half-power bandwidth
One can not align the apparatus to eliminate entirely the effects of the Earth's magnetic field. calculate the component of the earth magnetic field perpendicular to the entering electron beam
A boat moves through the water of a river at 10-m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.6-m/s.
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