Author Question: The average electric energy density of an electromagnetic wave is 0.600 10-7 J/m3. What is the ... (Read 64 times)

Charlie · **on:** Jul 29, 2018

The average electric energy density of an electromagnetic wave is 0.600 10-7 J/m3. What is the electric field component of this wave?

A) 116 J/Cm
B) 116 N/C
C) 116 V/m
D) All of the answers given are correct.
E) None of the answers given is correct.

Question 2

A bullet is fired with a certain velocity at an angle above the horizontal at a location where g = 10.0 m/s2. The initial x and y components of its velocity are 86.6 m/s and 50.0 m/s respectively.

How long does it take before the bullet gets to the highest point of its trajectory? A) 5.0 seconds
B) 10.0 seconds
C) 15.0 seconds
D) 20.0 seconds
E) None of the other choices is correct.