Visible light, with a frequency of 6.0 × 10^14 Hz, is reflected from a spaceship moving directly away at a speed of 0.90c.

Question 1

Visible light, with a frequency of 6.0 × 1014 Hz, is reflected from a spaceship moving directly away at a speed of 0.90c. The frequency of the reflected waves observed at the source is:

A. 3.2 × 1013 Hz

B. 1.4 × 1014 Hz

C. 6.0 × 1014 Hz

D. 2.6 × 1015 Hz

E. 1.1 × 1016 Hz

Question 2

A. 3.2 × 1013 Hz

Visible light, with a frequency of 6.0 × 10^14 Hz, is reflected from a spaceship moving directly away at a speed of 0.90c.

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Visible light, with a frequency of 6.0 × 10^14 Hz, is reflected from a spaceship moving directly away at a speed of 0.90c.

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