With what you do need help?????
I think you meant what is "Dark matter" if so the answer is Dark matter is a hypothetical form of matter that is thought to account for approximately 85% of the matter in the universe.
Answer:
Similarity: >>Time is independent variable and such is on the x-axis. ... >>Distance time graph tells you how much distance you have travelled, while velocity time graph tells you your acceleration. The difference between them is that the velocity-time graph reveals the speed of an object (and whether it is slowing down or speeding up), while the position-time graph describes the motion of an object over a period of time.
Explanation:
Answer:
1.0563408 N
Explanation:
= Density of air = 0.8 kg/m³
g = Acceleration due to gravity = 9.81 m/s²
h = Altitude
A = Area = 0.5 cm²
Pressure
Pressure
The net force on your ear is 1.0563408 N
