Speed must be specified relative to something. Relative to the Sun, the speed of Earth is about 30 km/second. Relative to the Milky Way, or relative to the Local Group, you would get different numbers.
Mass IS relative to the speed you are going.
Relative speed is the speed between two moving objects with no regards to a fixed reference. Speed is how fast something is moving with respect to an object.
You get a lawyer who is familiar with firearms law.
Processor's speed is measured in Million Instructions Per Second (MIPS).The larger the size of the Register speedier is the processing.
No
The answer depends on relative to what!
The relative refractive index tells the speed of light in a vaccum over the speed of light in medium.
the answer is relative.. if you are standing on the same train, for you the man will be running as fast as it would do on the ground. If you are standing on the ground, then his speed relative to you will be the composition of the train speed + his speed. to make it more interesting.. think now that the train it's running with a speed that approach the speed of light relative to you.
No, distance and speed are two separate measurements. Distance is how far an object moves relative to speed and time, and speed is how fast an object moves relative to time and distance.
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Speed is relative to the speed of light and gravity. So gravity could effect speed.