Answer:
16 years.
Explanation:
Using Kepler's third Law.
P2=D^3
P=√d^3
Where P is the orbital period and d is the distance from the sun.
From the question the semi major axis of the asteroid is 4 AU= distance. The distance is always express in astronomical units.
P=?
P= √4^3
P= √256
P= 16 years.
Orbital period is 16 years.
A.Salinity
The deeper you make your way the hotter it gets because it is getting closer to the inner core which is 4000-4700 Degrees Celsius so that definitely would not be the answer. It also gets more and more dense and the pressure changes and you can see this by the fact that some mantles are liquid but because of the pressure it forces it into a solid. Sorry for the terrible explanation, I am bad at explaining things. Hope this helps!
Research in the field has more uncontrollable variable than in the laboratory. In the lab, you can conduct research in a controlled environment.
Answer:
2.29e-9C/m²
Explanation:
Using E = σ/ε₀ means the force on the electron is F = eE = eσ/ε₀.
The work done on the electron is W = Fd = deσ/ε₀. This equals the kinetic energy lost, ½mv².
½mv² = deσ/ε₀
d = 75cm – 15cm = 60cm = 0.6m
σ = mv²ε₀/(2de)
. .= 9.11e-31 * (7.4e6)² * 8.85e-12 / (2 * 0.6 * 1.6e-19)
. .= 2.29e-9 C/m² (i.e. 2.29x10^-9 C/m²)