A starship approaches its home planet at a speed of 0 10c When it is 54 10 6 km away, it uses its green laser beam ( 540 nm) to signal its approach a How long does the signal take to travel to the home planet b At what wavelength is the signal detected on the home planet ...

Model We are looking at the Doppler effect for ...

A starship approaches its home planet at a speed of 0.10c. When it is 54 10

Question:

A starship approaches its home planet at a speed of 0.10c. When it is 54 × 10⁶ km away, it uses its green laser beam (λ = 540 nm) to signal its approach.
a. How long does the signal take to travel to the home planet?
b. At what wavelength is the signal detected on the home planet?

Fantastic news! We've Found the answer you've been seeking!