A particle undergoing a constant acceleration starts at rest at position \(x\) equals zero. Identify all of the following three pairs of positions it could be at after one second and then after two seconds, respectively: \(x\) equals zero, then \(x\) equals zero; \(x\) equals three, then \(x\) equals twelve; \(x\) equals two, then \(x\) equals sixteen.
1 AND 2