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A single source of light exists at a fixed point in space relative to two observers. The two observers move on the surface of a shell with a fixed radius with the light source at its centre. They move along a circular path on the sphere. They move at different velocities u and v. Will they experience time dilation relative to each other?
If relativity says that there will be time dilation on the shell of a sphere with a fixed radius with a light source at its centre, then there is a problem. Let's say the light blinks once every 10 secs. Then that light will reach all observers on the shell at the same time no matter what their relative velocity to each other. All observers would agree the light blinks once every 10 secs, no matter what their velocity is as long as they are on the shell.
A mass m = 90 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 18.8 m and finally the flat straight section at the same height as the center of the loop (18.8 m off the ground). Because the mass would not..
A free electron has a wave function Ψ (x)=Asin(5*(10^10)x) where x is measured in m. Find (a) the electron's de Broglie wavelength, (b) the electron's momentum, and (c) the electron's energy in eV.
A thermometer can be made from a brass wire (temperature coefficient of resistivity 0.00150°C^?1 at 20.0°C), What is the resistance of the wire
3. Explain the seasonal precipitation pattern at Manila in terms of pressure and wind systems. What causes the summer rains? What causes the winter dry season? 4.Why do you think May is slightly warmer than June, July, or August?
a bullet is fired through a board 14.0 cm thick with its line of motion perpindicular to the face of the board. if it
A man whose mass is 80kg on the earth's surface is in a spacecraft at a height of 2 Earth radii above the earth's surface. At that height what is the acceleration due to gravity
a 22.75 g ball of clay traveling east at 2.85 ms collides with a 36.02 g ball of clay traveling north at 2.41 ms.what
You are called as an expert witness in the trial of a traffic violation. The facts are these: A driver slammed on his brakes and came to a stop with constant acceleration, How fast was he going when he hit his brakes
Think about an equipment setup the same as in this lab: A cube of mass M=500g and side length 30mm is free to spin on an axis through the center of one face. A mass less pulley on this axis has a diameter of 2r=10mm. Discover the kinetic energy of th..
A race car has a mass of 706 kg. Itstarts from rest and travels 42.0 m in3.0 s. What net force is exerted on it
A helium balloon ride lifts up passengers in a basket. Assume the density of air is 1.28 kg/m3 and the density of helium in the balloon is 0.18 kg/m3. What is the magnitude of the buoyant force on each person
the astronaut whose heart rate on earth is 65 per minute increase his velocity to v=.95c. what is now his heart rate as measured by an earth observer
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