17.86m/s
Explanation:
Given parameters:
Displacement of the ball = 50m
Time taken = 2.8s
Unknown:
Velocity of the ball = ?
Solution:
velocity is the rate of change of displacement with time
Velocity =
Velocity = = 17.86m/s
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Because they’re far from each other and the J0523 has lower mass then the UY which is a red dwarf.
I think your question should be:
An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is
What is the rms value of (a) the electric field and
(b) the magnetic field in the electromagnetic wave emitted by the laser
Answer:
a)
b)
Explanation:
To find the RMS value of the electric field, let's use the formula:
Where
;
;
Therefore
b) to find the magnetic field in the electromagnetic wave emitted by the laser we use:
;
;
They are, in fact termed: Body Waves.
First chose is meteor and the second one is asteroids