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rotation and revolution of earth provide the framework for measuring time. so the answer is the motions of earth.
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If we witness events in a frame of reference moving past us time appears to be stretched (or dilated). How do the lengths of objects in that frame appear?
lengths are also dilated, or shorter. If a frame of reference is moving past us the time elapsed relative tot he witness is shorter and its length shorter.
What is movement in relation to a frame of reference called?
Relative motion is movement in relation to a frame of reference.
What is a frame of reference in physics?
A frame of reference is your position relative to the action you are observing. Lets say two people are playing ping-pong on a bus. One frame of reference would be another person on the bus, another would be a person on the sidewalk. Although they are observing the same thing, they would see different things. A true inertial frame of reference in physics is a still non-moving point of observation. A frame of reference is either a true inertial frame of reference, or a relative inertial frame of reference, relative in some form of measurement to the true inertial frame of reference. However this indicates a beginning still point in time to measure both time and motion from. After Einstein showed that E=mc2 and that time is relative to space the search for a true inertial frame of reference was abolished and Einstein spent the rest of his life trying to resolve the problems eliminating constant time created and stated that "God does not play dice with the Universe". Most physicists disagree and are quite happy with a game of dice, but Einstein knew he was right and the answer would be found in unifying EM and gravity. He was right. U(1) contains gravity (and Mass) but finds itself outside the weak force. EM=electric force + gravity. See Unified Field Theory The mistake Einstein made was he considered a true observer which means Life, as a non-element. Something that could be eliminated and leave the Universe intact. Real Relativity reverses the symmetry in time and states: "Time is not relative to multiple observers at the same time. Time is relative to a single observer in multiple places in time." This restores constant time motion is relative to and establishes a true or "initial" inertial frame of reference. A joke in real relativity regarding the inertial frame of reference states: "Since it is not moving one can not ask where it came from and since it has no inertia an observer is required to explain the contradiction and have a point of view." "Relative to an initial inertial frame of reference there is only one observer." is the first law in Real Relativity. In Real Relativity I=E/R is converted to S=Wp/T Space, Time, Weak pressure: weight of the Observer's Mass: gravity contained within the weak force. Real Relativity has been accepted by the top leading sound technicians and musicians that learn of it and resulted in correcting the old Circle of Fifths creating the " New Circle of Fifths" where tonal space is relative to real time to start a list of new features. The NC5 is gravity based and turned to show the minor keys. Numbers don't tell lies...never have and never will. Same goes for gravity. Time is relative to the observer and gravity is a product of time...LIGO is pointing in the wrong direction.
What is the absolute measurement of time?
Time does not have an absolute measurement. It is a conclusion of Einstein's theory of Relativity that all things are relative, including time. Time passes at a particular speed in a particular frame of reference.
Why simultaneous events for one observer may not be simultaneous for another observer?
This is because light requires time to travel from point A to point B and when observed from a different inertial frame of reference, the two events may not appear to be simultaneous. Inertial reference frame: Inertial refers to the frame (an area in which the laws of physics work the same for all observers within it) which is neither accelerating nor decelerating. Example: Earth
Why time is independent of any reference frame?
According to the Theories of Relativity, time is NOT independent of the reference frame.
What item is used to measure time?
According to Einstein time is one component of "spacetime" and therefore its measurement is relative to your frame of reference. In your frame of reference you would measure it in seconds and you may use a chronometer to measure it.
If we witness events in a frame of reference moving past us time appears to be stretched (or dilated). How do the lengths of objects in that frame appear?
lengths are also dilated, or shorter. If a frame of reference is moving past us the time elapsed relative tot he witness is shorter and its length shorter.
Are time dilation and length contraction noticed inside a single frame of reference?
Yes, when an object moving through that frame is measured.
Geological time is divided into units based upon types of what?
it's based on the types of fossils and rocks
What is movement in relation to a frame of reference called?
Relative motion is movement in relation to a frame of reference.
When did the Egyptians begin to believe in gods?
There is no exact time frame yet agreed upon.
What is a frame of reference physics?
A frame of reference is your position relative to the action you are observing. Lets say two people are playing ping-pong on a bus. One frame of reference would be another person on the bus, another would be a person on the sidewalk. Although they are observing the same thing, they would see different things. A true inertial frame of reference in physics is a still non-moving point of observation. A frame of reference is either a true inertial frame of reference, or a relative inertial frame of reference, relative in some form of measurement to the true inertial frame of reference. However this indicates a beginning still point in time to measure both time and motion from. After Einstein showed that E=mc2 and that time is relative to space the search for a true inertial frame of reference was abolished and Einstein spent the rest of his life trying to resolve the problems eliminating constant time created and stated that "God does not play dice with the Universe". Most physicists disagree and are quite happy with a game of dice, but Einstein knew he was right and the answer would be found in unifying EM and gravity. He was right. U(1) contains gravity (and Mass) but finds itself outside the weak force. EM=electric force + gravity. See Unified Field Theory The mistake Einstein made was he considered a true observer which means Life, as a non-element. Something that could be eliminated and leave the Universe intact. Real Relativity reverses the symmetry in time and states: "Time is not relative to multiple observers at the same time. Time is relative to a single observer in multiple places in time." This restores constant time motion is relative to and establishes a true or "initial" inertial frame of reference. A joke in real relativity regarding the inertial frame of reference states: "Since it is not moving one can not ask where it came from and since it has no inertia an observer is required to explain the contradiction and have a point of view." "Relative to an initial inertial frame of reference there is only one observer." is the first law in Real Relativity. In Real Relativity I=E/R is converted to S=Wp/T Space, Time, Weak pressure: weight of the Observer's Mass: gravity contained within the weak force. Real Relativity has been accepted by the top leading sound technicians and musicians that learn of it and resulted in correcting the old Circle of Fifths creating the " New Circle of Fifths" where tonal space is relative to real time to start a list of new features. The NC5 is gravity based and turned to show the minor keys. Numbers don't tell lies...never have and never will. Same goes for gravity. Time is relative to the observer and gravity is a product of time...LIGO is pointing in the wrong direction.
What is a frame of reference in physics?
A frame of reference is your position relative to the action you are observing. Lets say two people are playing ping-pong on a bus. One frame of reference would be another person on the bus, another would be a person on the sidewalk. Although they are observing the same thing, they would see different things. A true inertial frame of reference in physics is a still non-moving point of observation. A frame of reference is either a true inertial frame of reference, or a relative inertial frame of reference, relative in some form of measurement to the true inertial frame of reference. However this indicates a beginning still point in time to measure both time and motion from. After Einstein showed that E=mc2 and that time is relative to space the search for a true inertial frame of reference was abolished and Einstein spent the rest of his life trying to resolve the problems eliminating constant time created and stated that "God does not play dice with the Universe". Most physicists disagree and are quite happy with a game of dice, but Einstein knew he was right and the answer would be found in unifying EM and gravity. He was right. U(1) contains gravity (and Mass) but finds itself outside the weak force. EM=electric force + gravity. See Unified Field Theory The mistake Einstein made was he considered a true observer which means Life, as a non-element. Something that could be eliminated and leave the Universe intact. Real Relativity reverses the symmetry in time and states: "Time is not relative to multiple observers at the same time. Time is relative to a single observer in multiple places in time." This restores constant time motion is relative to and establishes a true or "initial" inertial frame of reference. A joke in real relativity regarding the inertial frame of reference states: "Since it is not moving one can not ask where it came from and since it has no inertia an observer is required to explain the contradiction and have a point of view." "Relative to an initial inertial frame of reference there is only one observer." is the first law in Real Relativity. In Real Relativity I=E/R is converted to S=Wp/T Space, Time, Weak pressure: weight of the Observer's Mass: gravity contained within the weak force. Real Relativity has been accepted by the top leading sound technicians and musicians that learn of it and resulted in correcting the old Circle of Fifths creating the " New Circle of Fifths" where tonal space is relative to real time to start a list of new features. The NC5 is gravity based and turned to show the minor keys. Numbers don't tell lies...never have and never will. Same goes for gravity. Time is relative to the observer and gravity is a product of time...LIGO is pointing in the wrong direction.
What date do you have to put on an authorization letter?
The date of a letter should always be the date that the letter is sent. If there is a time frame that an authorization will be effective, that time frame should be stated in the content of the letter or a reference line before the start of the letter.
What is the value have two Winchester model 94 pre 64 first one based upon serial number 1920 time frame with saddle ring in verry good condition second one 1940 time frame in excellent condition?
200-500 USD or more depending on what 'very good' turns out to be and the exact specifics of configuration.
What is speed of light in a car?
299,792,458 m/s - the same as any other time. Your frame of reference does not change the speed of light.
