Answer:
The longest wavelength for closed at one end and open at the other is
y / 4 where y is the wavelength - that is node - antinode
The next possible wavelength is 3 y / 4 - node - antinode - node -antinode
y / 4 = 3 m y = 12 meters the longest wavelength
3 y / 4 = 3 m y = 4 meters 1 / 3 times as long
The first step is the fusion of hydrogen into Deuterium.
I would say that an astronaut will fell the lightest in the moon because all of the low gravity.
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Answer:
Explanation:
Given
for 
Sphere are 
when sphere
apart suppose deflection is 
We know

Where F=force between charged particle
Deflection


thus 
for 



(b)for
deflection Potential 
Electric Potential is 

where V=voltage
k=constant
r=distance between charges
Put value of Q in equation 1


thus 
therefore



Answer:
D
Explanation:
At noon on the summer solstice. The sun dagger was used to observe astrological readings in the ancient time