Answer:
The phases are the first and third quarters.
Explanation:
During the first quarter of the moon phases, the line between Earth and the Sun is at a right angle to the line between Earth and the moon. At this time the moon has completed the first quarter of its orbit around the earth. At this point, half of the moon is fully reflecting light from the sun.
Also during the third quarter which is the last quarter, the line between the earth and the sun is at a right angle to the line between the earth and the moon. This is the time when the second half of the moon which was not illuminated during the first quarter becomes completely illuminated.
Relation between Electric and magnetic fields. I've read that both the electric and magnetic field vectors are perpendicular to each other in an electromagnetic wave. Passing steady current through a straight conductor shows some magnetic flux (because most of the energy is wasted into outer space as magnetic lines).
The length of a side of the cube is 21.83 cm.
We need to know about cube volume to solve this problem. Cube volume can be calculated by multiplying the length of the cube. It can be written as
V = L³
where V is cube volume and L is cube length.
From the question above, we know that
V = 11 quart = 2.75 gallon
1 gallon = 3.786 liters
Convert volume to liters
V = 2.75 gallon
V = 2.75 x 3.786 liters
V = 10.41 liters
V = 10.41 dm³
Find the length
V = L³
10.41 = L³
L = ³√10.41
L = 2.18 dm
Convert length to cm
L = 2.183 dm
L = 21.83 cm
Find more on cube volume at: brainly.com/question/1972490
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first object gors highest
second object goes lowest.
When the spring is stretched by 15.2 cm = 0.152 m, the spring exerts a restorative force with magnitude (due to Hooke's law)
where 
is the spring constant. Solve for .
The amount of work required to stretch or compress a spring by 
from equilibrium length is
Then the work needed to stretch the spring by 15.2 cm is
and by 15.2 + 13.7 = 28.9 cm is
so the work needed to stretch from 15.2 cm to 28.9 cm from equilibrium is
