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1.) using the wave speed formula for an electromagnetic wave, c=fλ, (c=3.00x10^8 m/s)
f=c/λ where c=the speed of an electromagnetic wave.
f=(3.00x10^8)/(560x10^-9)= 5.36x10^14 Hz
the phase difference between sine and cosine graphs is pi/2. so when the sine function is applied to an angle, to get the corresponding answer but from a cosine function you simply add pi/2 (Radians only,...
It is the velocity necessary for a body to get rid of the gravitational attraction.
Vectors can seem complicated at first but they are simple once you understand that you need two pieces of information in order to define a vector. A vector is composed of direction and magnitude. You can ...
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