<>"Topographic maps conventionally show topography, or land contours, by means of contour lines. Contour lines are curves that connect contiguous points of the same altitude (isohypse). In other words, every point on the marked line of 100 m elevation is 100 m above mean sea level."<> I hope this helps.
Yes, the phases should be visible. The phases are,
New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning cresent, repeat
Answer:
The angular speed is 4.22 rpm.
Explanation:
Given that,
Length of arm = 6.75 m
Mass of Europa
Diameter = 3120 km
We need to calculate the angular speed
Using formula of gravitational force
Put the value into the formula
Hence, The angular speed is 4.22 rpm.
The question to the above information is;
What is the best use of an atomic model to explain the charge of the particles in Thomson's beams?
Answer;
An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to remove.
Explanation;
-Atoms are comprised of a nucleus consisting of protons (red) and neutrons (blue). The number of orbiting electrons is the same as the number of protons and is termed the "atomic number" of the element.
J.J. Thomson discovered the electron. Atoms are neutral overall, therefore in Thomson’s ‘plum pudding model’:
- atoms are spheres of positive charge
- electrons are dotted around inside