alleryStart learning →A car's depression from a tower top goes 30° to 60° in 6 s. Time left to reach the base?
A6 seconds
B9 seconds
C2 seconds
D3 seconds
Answer & Solution
Correct answer: D. 3 seconds
It covers h√3 − h/√3 = 2h/√3 in 6 s, and the remaining h/√3 is half of that, so 3 s.
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