How long does it take for a radio signal to travel to a spacecraft 1.5 × 10¹¹ m away? A) 5.0 s B) 50 s C) 5.0 × 10² s D) 5.0 × 10³ s E) 1.0 × 10³ s

Name: How long does it take for a radio signal to travel to a spacecraft 1.5 × 10 11 m away? A) 5.0 s B) 50 s C) 5.0 × 10 2 s D) 5.0 × 10 3 s E) 1.0 × 10 3 s
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Question

Quizplus · Accepted Answer

Radio signals travel at the speed of light, approximately 3.0 × 10^8 m/s. The time taken is distance/speed = (1.5 × 10^11 m) / (3.0 × 10^8 m/s) = 5.0 × 10^2 s.

How Long Does It Take for a Radio Signal to Travel