Astronomers determine that a certain square region in interstellar space has an area of approximately 2.4 \times 10^72.4×10 7 (light-years)2, where a light-year is a unit of astronomical distance. assuming that this region is a square, then a single side of the square would be approximately how many light-years long?

Three archers each fire four arrows at a target. joe’s four arrows hit at points 10 cm above, 10 cm below, 10 cm to the left, and 10 cm to the right of the center of the target. all four of moe’s arrows hit within 1 cm of a point 20 cm from the center, and flo’s four arrows hit within 1 cm of the center. the contest judge says that one of the archers is precise but not accurate, another archer is accurate but not precise, and the third archer is both accurate and precise. which description applies to which archer? explain

What happens to light waves from a star as the star moves away from earth?

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?