You have been learning about chemical and physical properties in class. Your teacher asks you to make a Venn diagram that compar
1 answer:
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the <u>average powe</u><u>r</u> output of the sun is <u>3.8 × </u><u> W</u> given that about 1350 w/m2 reaches the upper atmosphere of the earth.
As we know intensity falling over a surface is equal to Energy falling per unit area per unit volume.
I =
Since Power is equal to energy/time
I = power/area
or
Power = Intensity × area
Now, Distance from Sun to Earth , r = 149.6 × m
So, Surface area of the sphere of radius is:
A = 4 π
= 4 × 3.14 × (149.6 × )²
= 2.81 × m²
Thus Average Power output of the sun will be:
P = 1350 × 2.81 ×
= 3.7935 ×
P = 3.8 × W
So the average power output of the sun is 3.8 × W.
If you need to learn more about about the average power of a resistor, click here.
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Answer:
a = 40 [m/s²]
Explanation:
These kinds of problems can be solved using Newton's second law, which tells us that the sum of forces on a body is equal to the product of mass by acceleration.
∑F = m*a
where:
F = force = 6 [N]
m = mass = 0.15 [kg]
a = acceleration [m/s²]