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Grade 12th passDiscuss with colleagues and IITians

When ballet dancers leap into the air, they hang at the top of the trajectory.How much of the total time (for jump)T is spent in the top one quarter of the journey.
Ans:a)T/8 b)T/16 c)T/2 d) T/4

Profile image of Vaidehi
8 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
8 Years ago
When ballet dancers leap into the air, they hang at the top of the trajectory. half of the total time (for jump)T is spent in the top one quarter of the journey. Hence option C (T/2) is correct.