The answer here
Two experiments are used to demonstrate how light travels in straight lines. In the first example, the presenter arranges three pieces of card, with holes in, in an uneven line. The light stops and cannot travel through all three cards. When she arranges the holes in a straight line, the light can travel through.
The acceleration of gravity on the surface of Pluto is
Explanation:
The acceleration of gravity at the surface of a planet is given by the equation:
where
is the gravitational constant
M is the mass of the planet
R is the radius of the planet
For Pluto, we have:
is the mass
is the radius
Substituting, we find its gravitational acceleration:
Learn more about gravity:
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Long wavelengths and low frequencies.
The person travels 2.93 (it’s a repeating decimal so 2.933333 but round it to whatever it says round it to) feet per second
Torque will produce rotation