Answer: Wave speed= frequency x wavelength
=20 x 3
=60 m/s
Explanation:
Answer:
about: 110.14 million mi
Explanation:
the distance to Mars from Earth is 140 million miles (225 million kilometers).But, distance to Mars from Earth is constantly changing.
Hope that was helpful.Thank you!!!
I think number 1 is incorrect I believe that answer is D. Number 6 I believe would be B. The rest seem to be correct.
