You are at rest with respect to the car.
You are in motion with respect to the School.
Answer:
it is 3
Explanation:
because the crack will be open for the magma to come out
Answer:

Explanation:
Using the tension in the spring and the force of the tension can by describe by
T = kx
, T = mg
Therefore:

With two springs, let, T1 be the tension in each spring, x1 be the extension of each spring. The spring constant of each spring is 2k so:


Solve to x1





During the daytime, I have mostly line symmetry.
During the night, I often have almost spherical symmetry.