At the Winter Solstice the Sun's rays are directly perpendicular to what location on the Earth?
1 answer:
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To solve this problem it is necessary to apply the concepts related to Newton's second law and the kinematic equations of movement description.
Newton's second law is defined as
Where,
m = mass
a = acceleration
From this equation we can figure the acceleration out, then
From the cinematic equations of motion we know that
Where,
Final velocity
Initial velocity
a = acceleration
x = displacement
There is not Final velocity and the acceleration is equal to the gravity, then
From the equation of motion where acceleration is equal to the velocity in function of time we have
Therefore the time required is 0.0705s
Answer:
carrier power is 7.8 kW
Explanation:
given data
power = 10 kW
modulation percentage = 75 %
to find out
carrier power
solution
we will use here power transmitted equation that is
power = .................1
put here value in equation 1 we get carrier power
10 =
carrier power = 7.8
so carrier power is 7.8 kW