It’s more dense than air and less dense than liquid!
Terminal velocity is when something stops accelerating and just goes at one constant speed so if you put it into a sentence it would be like the rock falling off of the cliff did not accelerate instead it stayed at a terminal velocity
Answer:
Explanation:
Total number of slices in the pizza = 16
Total number ate by John,
J = 7/12 * 16 = 28/3 = 9.3
Total number ate by Harold,
H = 4/23 * 16 = 2.783
Total number left over
L = 1/23 * 16 = 0.696
Total number ate by Betty
B = ?
All we have to do to get the total number eaten by Betty is to sum up that eaten by Harold and John, including the left over, then subtract it from the total pizza slices.
Betty = Total - (Harold + John + Left Over)
Betty = 16 - (9.3 + 2.783 + 0.696)
Betty = 16 - 12.779
Betty = 3.221
Therefore, Betty ate 3.221 of the total pizza as a whole
Fan is actually a Electro-magnetic motor so the symbol used for motors can also be used for a fan ( "M" written in a circle )
Answer:
![\lambda=532nm](https://tex.z-dn.net/?f=%5Clambda%3D532nm)
Explanation:
From the question we are told that:
Wavelength range of white light ![400 nm - 690 nm](https://tex.z-dn.net/?f=400%20nm%20-%20690%20nm)
Index of refraction
Thickness ![T=300*10^{-9}m](https://tex.z-dn.net/?f=T%3D300%2A10%5E%7B-9%7Dm)
Generally Constructive interference is mathematically given by
![2nd cos\alpha=(m-\frac{1}{2})\lambda\\\\2nd cos\alpha=2nT\\\\Where \alpha=0\textdegree](https://tex.z-dn.net/?f=2nd%20cos%5Calpha%3D%28m-%5Cfrac%7B1%7D%7B2%7D%29%5Clambda%5C%5C%5C%5C2nd%20cos%5Calpha%3D2nT%5C%5C%5C%5CWhere%20%5Calpha%3D0%5Ctextdegree)
Therefore
![For m=12*1.33*300nm=(1-\frac{1}{2})\\\\\lambda=\frac{2*1.33*300nm}{(m-\frac{1}{2})}\\\\\lambda=1596nm\\\\For m=2\\\\2*1.33*300nm=(2-\frac{1}{2})\\\\](https://tex.z-dn.net/?f=For%20m%3D12%2A1.33%2A300nm%3D%281-%5Cfrac%7B1%7D%7B2%7D%29%5C%5C%5C%5C%5Clambda%3D%5Cfrac%7B2%2A1.33%2A300nm%7D%7B%28m-%5Cfrac%7B1%7D%7B2%7D%29%7D%5C%5C%5C%5C%5Clambda%3D1596nm%5C%5C%5C%5CFor%20m%3D2%5C%5C%5C%5C2%2A1.33%2A300nm%3D%282-%5Cfrac%7B1%7D%7B2%7D%29%5C%5C%5C%5C)
![\lambda=532nm](https://tex.z-dn.net/?f=%5Clambda%3D532nm)
Therefore the wavelength (in nanometers) the light reflected by the film brightest to an observer is
![\lambda=532nm](https://tex.z-dn.net/?f=%5Clambda%3D532nm)