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A light beam moves along the y' axis with speed c in frame S', which is moving to the right with speed v relative to frame S.
(a) Find uxand uy, the x and y components of the velocity of the light beam in frame S.
(b) Show that the magnitude of the velocity of the light beam in S is c.
The background sound level at your plant is 84 dBA. If a compressor generates a sound level of 87.3 dBA, what will the combined sound level be when the compressor is on
A toy train with 1.2kg mass is moving at a stright line platform with the velocity 12m/s. It collides another toy train of 0.9kg mass with velocity of 7m/s. If e = 0.8, what is the velocity of each train after the collision.
There is a uniform electric field on both sides of a large plane. Its magnitude is 80 N/C and its direction is toward the plane, on each side of it
The loaded cab of an elevator has a mass of 3.00 multiplied by 103 kg and moves 171 m up the shaft in 23s at constant speed. At what average speed does the force from the cable do work on the cab?
The density of ice is 917 kg/m3 and the density of sea water is 1025 kg/m3. A swimming polar bear climbs onto a piece of floating ice that has a volume of 5.2m3. What is weight of the heaviest bear that the ice can support without sinking complete..
Two non conservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. What is the transform in the car's kinetic energy, ΔKE = KEf - KE0, from A to B.
A projectile launched vertically from the surface of the Moon rises to an altitude of 316 km. What was the projectile's initial speed
Discuss the management practices at Enron with regard
If you know that the time it takes for the capacitor voltage to reach 5.0 V is 550 ms. Find how long does it take for the energy stored in the capacitor to decrease to half its initial value
A person, with his ear to the ground, sees a huge stone strike the concrete pavement. A moment later two sounds are heard from the impact: one travels in the air and the other in the concrete, and they are 6.60s apart. How far away did the impact ..
A 0.1-kg ball connected to a fixed point by a taut string whirls around a circular path of radius 0.5 m at a speed of 3 m/s. find How many times larger is the former than the latter
You are given a concave mirror by focal length 40.0cm. You start with an object 50.0cm high at 160cm in front of the mirror. Draw the system and use the mirror equation to determine the characteristics of the image.
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