Answer:
K must be an acceleration
Explanation:
Recall that unit of energy consists the following dimensions:
mass * length^2 / time^2
then if we have : mass * K = energy / length
then the units of K can be obtained by replacing the units of energy by (mass * length^2 / time^2), and then dividing by units of mass:
K = (mass * length^2 / time^2)/ (length * mass)
where we cancel out units of mass, and one unit of length resulting in units of length divided units of time squared. and such are units of acceleration. Therefore K must be an acceleration.
Answer:
Explanation:
<u>Speed</u>
The speed is calculated as the ratio of the distance d by the time t:
If we need to calculate the distance, the equation is solved for d:
d=v*t
The speed of light is
It takes t=9.221 seconds for light reflected from the moon Vega to reach planet Xartan.
We can calculate the average distance the light traveled:
Or, in scientific notation:
If you match the amount of static friction that can be generated when the object is at rest, it will not move because there is zero force the force has to be greater that the static friction in order to have it include motion. But if there was any more force will cause acceleration otherwise if it was lower force it will deceleration.
Answer:
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Explanation:
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Explanation:
Let us assume that Z is the energy transported across an area of 
per hour by an electromagnetic wave with an r.m.s speed of 21.5 V/m.
Therefore, first we will calculate the current as follows.
I = 
= 
= 0.441 J
Therefore, we can conclude that 0.441 J energy is transported across a given EM wave.
