Which Chinese Warring state used military might to conquer the other Warring states and unify China in 221 BC?
2 answers:
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Answer:
180 cm
Explanation:
<h2>d
d = t2 k
where k is a constant. d = 45cm, when t = 3s; thus 45 = 32 x t
k = 459 = 5
thus equation connecting d and t is d = 5t2
when t = 6s, d = 5 x 62
= 5 x 36
= 180cm