The first human made object made to orbit earth was the Soviet Union's Sputnik 1, it launched the 4th of October 1957.
The answer is B
because if you compare a regular road and ice... ice is smoother and therefore has less friction
The answer is A.
Sy = 1650 x sin30.5 = 837.4 m toward south
Sx = 1650 x cos30.5 = 1421.7 m toward east
B)is pills everything to the surface of the earth not sure about A