The magnetic field component of the electromagnetic wave is 15.0 ?T. What is the magnetic energy density of the wave?
A)
2.26 × 10-4 J/m3
B)
8.95 × 10-5 J/m2
C)
1.79 × 10-4 J/m3
D)
4.47 × 10-4 J/m2
E)
9.72 × 10-5 J/m3
C
You might also like to view...
An object is placed 27.0 cm to the left of a lens of focal length 17.0 cm. 39.0 cm to the right of this lens is a plane mirror. Where does the final image form?
a. 6.9 cm to the right of the mirror b. 6.9 cm to the left of the mirror c. 32.1 cm to the left of the lens d. 45.9 cm to the left of the lens e. 28.6 cm to the left of the mirror
A vertical wire carries a current straight up in a region where the magnetic field vector points due north. What is the direction of the resulting force on this current?
A) down B) north C) south D) east E) west
What event marks the birth of a new star?
What will be an ideal response?
An incompressible fluid is flowing through a horizontal pipe with a constriction. The velocity of the fluid in the wide section of the pipe is 4.00 m/s and the velocity of the fluid in the narrow section of pipe is 9.00 m/s. The pressure of the fluid in the wide section is 250 kPa. What is the pressure in the narrow section of the pipe? (density of the fluid is 1000 
A. 218 kPa B. 225 kPa C. 237 kPa D. 246 kPa E. 252 kPa