The average force of a baseball is 18.9 N. Its mass is 0.145 kg. Find the acceleration.
2.
a 130 m/s2
b
156 m/s2
С
75 m/s2
d
110 m/s2

positive reinforcement? ?

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19

answer; how far out of place which the object finished relative to the starting location;