1. Find the distance (in meters) traveled by a radio wave in 5.00 s.
2. Find the distance (in meters) traveled by a light wave in 6.40 s.
3. A television signal is sent to a communications satellite that is 20,000 mi above a relay station. How long does it take for the signal to reach the satellite?
4. How long does it take for a radio signal from the earth to reach an astronaut on the moon? The distance from the earth to the moon is 2.40 x 105mi
5. The sun is 9.30 x 107 mi from the earth. How long does it take light to travel from the sun to the earth?
6. A radar wave is bounced off an airplane and returns to the radar receiver in 2.50 x 10-5 s. How far (in km) is the airplane from the radar receiver?