Wave Characteristics: A radio station broadcasts at a frequency of 80 MHz. How far from the transmitter will this signal travel in 67 ms? (c = 3.0 × 108 m/s)
A. 60 × 106 m
B. 67 m
C. 40 km
D. 80 km
E. 20 × 106 m
Answer: E
You might also like to view...
The expansion rate of the Universe is:
A) increasing. B) decreasing. C) constant. D) different in different directions. E) independent of time.
Where is the most obvious example of a mountain chain built by continental collision in plate tectonics? Which plates are involved in this head-on collision?
What will be an ideal response?
A 0.650-kg object is swung in a circular path and in a vertical plane on a 0.500-m-length string. If the angular speed at the bottom is 8.00 rad/s, what is the tension in the string when the object is at the bottom of the circle?
a. 27.2 N b. 20.8 N c. 14.4 N d. 6.37 N
The percentage of 235U, as a fraction of the total uranium content, present in natural uranium is closest to
A) 5 percent. B) 50 percent. C) 1 percent. D) 20 percent. E) 99 percent.