Answer:
Intensity = 11.56W/m²
The energy flowing through the given area is 4.55 J
Explanation:
The expression for the intensity of the electromagnetic wave is,

Here,
is the permittivity of the free space,
is the electric field amplitude and
c is the speed of the light.
substitute
⁸m/s for c
8.85×10 −12 C²
/N⋅m² for 
and 93.3 V/m for 

The expression for the energy is,
E = I×A×t
Here, I is the intensity of the electromagnetic wave,
A is the area, and
t is the time.
Substitute
11.56W/m² for I
0.0287m ² for A
13.7s for t

The energy flowing through the given area is 4.55 J
Answer:
The gunner must apply 240
N to the gun to stop it from moving back.
Explanation:
At a given moment in time, the instantaneous speed can be thought of as the magnitude of instantaneous velocity.
Instantaneous speed is the magnitude of the instantaneous velocity, the instantaneous velocity has direction but the instantaneous speed does not have any direction. Hence, the instantaneous speed has the same value as that of the magnitude of the instantaneous velocity. It doesn't have any direction.
Answer:
Vernier calipers is used to measure the internal diameter of a beaker