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Tuesday, May 4, 2021
Sunday, February 26, 2017
MY Research 1st - Is This possible to express Speed in terms of Frequency
Is This possible to express Speed in terms of Frequency...??
or Speed = (88) x 100 cm/s
or Speed = (88cm) x 100/s
or Speed = ( Circumference of wheel) x 100/s
or Speed = ( one complete cycle) x 100/s
or Speed = 100 cycle per sec
or speed = 100 Hertz { ( number of complete cycle per sec is frequency and its S.I unit Hertz (Hz) }
Hence speed can express in terms of frequency.
EXPRESSION FOR FREQUENCY
speed = Distance covered by a wheel
time
or speed = Circumference x number of revolution
second
0r speed = n(2⊼ r)
sec
So speed can be replace by Frquency
Frequency = n(2⊼ r)
sec
where , n = number of revolution
r = radius of wheel
(2⊼ r) = circumference of wheel
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Wednesday, July 15, 2015
Physics online
Post your doubt and get appropriate answer of it..
Frame of Reference
In physics, a frame of reference (or reference frame) consists of an abstract coordinate system and the set of physical reference points that uniquely fix (locate and orient) the coordinate system and standardize measurements.
In n dimensions, n+1 reference points are sufficient to fully define a reference frame. Using rectangular (Cartesian) coordinates, a reference frame may be defined with a reference point at the origin and a reference point at one unit distance along each of the n coordinate axes.
In Einsteinian relativity, reference frames are used to specify the relationship between a moving observer and the phenomenon or phenomena under observation. In this context, the phrase often becomes "observational frame of reference" (or "observational reference frame"), which implies that the observer is at rest in the frame, although not necessarily located at its origin. A relativistic reference frame includes (or implies) the coordinate time, which does not correspond across different frames moving relatively to each other. The situation thus differs from Galilean relativity, where all possible coordinate times are essentially equivalent.
Monday, April 23, 2012
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