The mass of the box would be 30!
The correct answer is A. Charged particles from the sun exite the atmosphere near the poles to create auroras.
Answer:
Standard deviation = 3
Explanation:
Given


Required
Determine the standard deviation
First, we need to determine the variance;

This gives:



Know that:

Where SD represents standard deviation
This gives

Take square root


I think that the shopping cart full of groceries has more inertia because it is the one with more tendency to do nothing or be still.
Blue light will bend more than the others because it has a slightly greater refractive index. This is because blue light has a shorter wavelength and more energy, meaning it has to slow down more than the others when it hits the water.