Author Question: Radio waves travel at the speed of light, which is 3.00 108 m/s. How many kilometers will radio ... (Read 54 times)

dabomba718 · **on:** Nov 5, 2023

Question 1

Radio waves travel at the speed of light, which is 3.00 × 10⁸ m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 × 10⁸ km from Earth?

◦ 4.4 × 10^–2 min
◦ 1.6 × 10⁵ min
◦ 4.0 × 10¹⁵ min
◦ 44 min
◦ 2.6 min

Question 2

Radio waves travel at the speed of light, which is 3.00 × 10⁸ m/s. How many kilometers will radio messages travel in exactly one year?

◦ 9.46 × 10¹⁵ km
◦ 7.30 × 10⁸ km
◦ 7.10 × 10¹⁰ km
◦ 9.46 × 10¹² km
◦ 3.33 × 10^–3 km

my33251 · **Reply #1 on:** Nov 5, 2023

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