The correct answer is: C. It is the point beyond which neither light nor anything else can escape.
Answer:
miu = 0.31
Explanation:
The friction force is defined as the product of the normal force by the coefficient of friction.

where:
f = friction force = 3 [N]
miu = friction coefficient
N = normal force [N]
The normal force on a horizontal surface can be calculated by means of the product of mass by gravity.
where:
m = mass = 1 [kg]
g = gravity acceleration = 9.81 [m/s²]

![N= 9,81 [N]](https://tex.z-dn.net/?f=N%3D%209%2C81%20%5BN%5D)
Now replacing in the equation above, we can find the friction coefficient.

Answer:
i dont understand
Explanation:
is this another language?
Answer:
A wave that has smaller amplitude than another carries less what
Waves that have smaller amplitude have less energy. the particles of the waves. rarefactions are far amplitude waves. Wavelength is the distance from one crest to the next crest or from one trough to the next trough.
Explanation: