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The variable period of a moon of Jupiter, which is the basis of measurement of the speed of light in Roemer's method (whoever heis), is regarded as the Doppler affect. The period of the orbital motion of one of Jupiter's moons is approximately42.5hours; the speed of light is 2.99e8 m/s. The orbital speed of the Earth about the Sun is 2.98e4 m/s. What is the maximum change in the period (in seconds) of this moons observed from Earth? (hint: T = 1/f) I've done Doppler problems with two moving objects but I cant come up with an answer that makes sense. How do i use frequency to solve this? (thanks the other"kp")
Q. Transformation of kinetic energy to potential energy? A tiny ball at the end of string is swung in a circular vertical loop. The speed of rotation is reducing to the point t
A bar of length l is clamped at x=0 and loaded with a mass mat x=l.(a) apply these boundary conditions to equation x=A e^(wt+kx)+Be^(wt- kx) and thereby determine an equation from
In these diodes electron and hole pairs are formed by junction photoelectric effect. That is the covalent bonds are broken by the EM radiations absorbed by the electron in the V.B.
There is more number of substances in the universe than 109 elements. Most matter we run into on a day-to-day basis is composed of compounds-substances in which two or more element
The nuclei have been separated on the basis of the number of protons (atomic number) or the total number of nucleons (mass number) as given below: (i) Isotopes: The atoms of ele
'Heavy water is often used as a moderator in thermal nuclear reactors.' Give reason.
Color vision and chromatic aberration: One of the remarkable ability of the eye is its ability to see color. There are three types of cones that respond to light from three
The force acting between two point charges can be computed using which of the following laws? a) Ohm's Law b) Ampere's Law c) Coulomb's Law d) Newton's Second L
what is the reason of gravity?
at a particular instant the speedometer of a vehicle shows 30km/hr .it is the a}average speed b}instantaneous speed c}uniform speed d}non-uniform speed
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