Give the mathematical expression for coulomb's force if q1, q2 are the magnitude of charges and r is the distance between them.
F=K q1q2/r2
The speed with which Jennifer climb up the tree is 0.45 m/s
The distance is 10m
Time is 22 seconds
Required speed is 10/22=0.45 m/s
- Distance is the total length travelled by an object.
- Speed is distance upon time.
- It is a scalar quantity and doesn't has magnitude and direction.
- Distance traveled is the total length of the path traveled between two positions
- Distance is the total movement of an object without any regard to direction.
- Distance is the total movement of an object without any regard to direction.
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Answer:
442.75862 nm
Explanation:
m = Order
n = Refractive index
= Wavelength
We have the relation of thickness and wavelength given by

The consecutive spectral line is given by

So,

and

Dividing the wavelengths we get


The film thickness of oil is 442.75862 nm