The answer is D. water vapor water, ice. Have a good day :)
The total charge on the sphere is 
Explanation:
The total charge on the metal sphere is given by:
where
Q is the total charge
n is the number of electrons on the sphere
q is the charge of each electron
Here we have:
is the number of electrons on the sphere
is the charge of each electron (negative)
Therefore, the total charge on the spheres is
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Answer:
LONGITUDINAL WAVE
Explanation:
As we know that there are two type of propagation of wave
1) Transverse wave :
in transverse nature of waves the energy is propagated into the medium in perpendicular to the wave propagation.
So here in transverse waves the medium molecules will start oscillating in perpendicular direction
2) Longitudinal wave
Here in this type of wave the medium molecules will start oscillating in the direction of propagation of waves. So here the medium molecules will oscillate in the direction parallel to the wave propagation
so correct answer is
Longitudinal waves
Answer:
To the left, in the opposite direction of the object's motion.
Explanation:
This is because friction always apposes motion, and will act to stop motion.
To stop the box, friction would have to act in the left direction.
