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
E
You might also like to view...
Faraday's law of induction states that the emf induced in a rectangular loop of wire is proportional to
A. the magnetic flux. B. the time variation of the magnetic flux. C. current divided by the time. D. the magnetic flux density times the area of the loop.
Most of the mass of an atom is ____
a. in the electron cloud b. spread evenly through the atom c. made up of electrons d. concentrated in the nucleus e. concentrated in a disk around the nucleus
A force is required for an object to accelerate
Indicate whether the statement is true or false
A meter stick balances at the 50.0-cm mark. If a 50.0-g object is placed at the 90.0-cm mark, the stick balances at the 61.3-cm mark. What is the mass of the meter stick?
A) 127 g B) 178 g C) 89.7 g D) 32.6 g E) 73.4 g