Answer:
Im pretty sure 1 is gravity, 2 is force
Explanation:
78.34
1.3/30=78.3m
the answer is
B)It was the first planet located through mathematical calculations
v = 2.51 x 10⁸ m/s
1.00sin62.7 = nsin48.1
n = 1.19
v = c/n = 3.00e8/1.19 = 2.51e8 m/s
