Answer:4
Explanation:
Given


Mass of stick is 
Let T be the tension in the red string
Now if the red string is cut , suppose T is the tension in the blue rod immediately after cut
Therefore



Answer:
lol, I like math. and this question is awesome. lol.
Explanation:
So I like math because I am good at it. I hate ELA bc im bad at it.
Answer:
hey u apply p=mv and 2 are given then calculate thirds value it's a simple do it
Answer:

Explanation:
From the question we are told that:
Distance of wall from CD 
Second bright fringe 
Let
Strontium vapor laser has a wavelength \lambda= 431 nm=>431 *10^{-9}m
Generally the equation for Interference is mathematically given by

Where


