Answer:
a.0.5 Io
Explanation:
The fraction of light passing through the first polarizer will be
The fraction of light passing through the second polarizer will be
where
= Angle between the filters
here, as the transmission directions are parallel to one another
Hence, 
will pass through both filters
Since this a position vs time graph, the velocity will be the slope of the line.
(5-3) / (3-0)
2/3 m/s
.6666 m/s
The formula that can be used to show that the speed of the stone when it hits the ground is 32 m/s is v = u + at
According to equations of motion,
v = u + at
v = Final velocity
u = Initial velocity
t = Time
a = Acceleration due to gravity
t = 3.2 s
a = 10 m / s²
v = 0 + ( 10 * 3.2 )
v = 32 m /s
Equations of motion are used to describe the position of a moving object in a constantly accelerated manner. The position can be described using acceleration, velocity, displacement and time.
Therefore, the formula that can be used to show that the speed of the stone when it hits the ground is 32 m/s is v = u + at
To know more about equations of motion
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They would actually be so extremely hot that the whole earth would become a desert without any real seasons. The lack of water would also make it unable to sustain human life. Then slowly the planet would most likely have it's atmosphere in short exclamation, "It would go away." And then our planet would probably end up looking very similar to the red planet -- Mars.
