問題詳情

73. Two identical objects A and B fall from rest from different heights to the ground.Assume the air resistance can be neglected. If object B takes twice as long as object A toreach the ground, what is the ratio of the heights (hA/hB) from which A and B fell?
(A) hA/hB = 5ecb3ac764857.jpg
(B) hA/hB = 1/2
(C) hA/hB = 1/4
(D) hA/hB = 1/8



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