After you drop the box and it has fallen half way, its potential energy is __________ and its kinetic energy is __________
Fill in the blank(s) with correct word
50 J, 50 J
Physics & Space Science
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The magnetic field of a plane-polarized electromagnetic wave moving in the z-direction is given by 
in SI units. Find the average power per square meter carried by the EM wave.
A. 720 W B. 172 W C. 500 W D. 2 × 107 W E. 86 W
Physics & Space Science
All neutrinos are left handed
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
The electronvolt is the unit of energy very well suited to describing energies of nucleons and electrons at the atomic level
What will be an ideal response?
Physics & Space Science
The ratio of the electric field to the magnetic field in the electromagnetic wave is the speed of the light
Indicate whether the statement is true or false
Physics & Space Science