CheyenneCrowley
CheyenneCrowley CheyenneCrowley
  • 09-05-2022
  • Physics
contestada

An alien spaceship 8x10^14m away sends us a radio wave signal. How long does it take for the signal to reach us?

Respuesta :

alcohen2006 alcohen2006
  • 09-05-2022
Time = distance/speed

Time = 8•10^14m / 3•10^8m/s

Time = about 2.7•10^6 seconds.
That's about 31 Earth days.

Answer Link

Otras preguntas

Which statements are true for the function y = |x| - 2? Select all that apply. The value of the function is never negative. Its graph has a V-shape. There is on
simplify this expression 8n/17n
How is the number 13,000 abbreviated in scientific notation? A. 1.3 × 104 B. 1.3 × 102 C. 1.3 × 103 D. 1.3 × 101
what is the equation of line in graph 4,0 0,-4
Suppose H is in the interior of right angle JAK. The measure of JAH = (3x-8)º and the measure of KAH = (x+2)º. Find the measure of angle JAH
What is 1,345 rounded to the nearest integer? weried questiom
What are some of the long-term health risks associated with tobacco, alcohol, and drug use? State your answer in a paragraph. (Site 1)
Aneesha determined that the cost of attending her public four-year college in her first year will be $6,220. If the average cost is expected to increase by 6% w
A football coach gives half his players a protein bar to eat before each game; the other players do not receive the protein bar. After a month of games, he anal
If a bank offers a savings account that pays simple interest rate of 4% and you deposit $475.00 into this account, how much interest will you have earned after