Answer:
... because Edwin Hubble was the man that proved it from his observations. He proved that there is a direct relationship between the speeds of distant galaxies and their distances from Earth. This is now known as Hubble's Law.
Explanation:
Answer:
0
Explanation:
Use pythagorean theorem, and get that 40 is the height (50-10), while half of the cable is 40, so 0 is the distance.