Giả sử phương trình x x = A ^ 2 + Btmo tả chuyển động của một chất điểm với x có thứ nguyên của độ dài, t có thu nguyên của thời gian. Thứ nguyên của đạo Năm (d ^ 2 * y)/(d * t ^ 2) (a) (L) / T (d) [L][T²

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Hunter is in lab. he clears a spot on his lab bench to start working. he also puts his lab coat and goggles on. he then identifies where all of the safety equipment is. he notices his station is next to the fume hood, which ventilates the chemicals stored there. the noise of the fume hood was bothersome, so hunter turned it off. which could be an error in his set-up? he should not turn off the fume hood.  he should wait to put on his coat until after the directions are given.  he should wait to put on his goggles until after the directions are given.  he should not sit next to the fume hood. 

Zamir and talia raced through a maze. zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m east and 4 m north. talia walked 2 m north, 6 m east, 3 m south, 4 m east, and 4 m north. compare their displacements: zamir's displacement is talia's displacement.