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A body is projected with a velocity of 40 m/s such that its range is the maximum height attained by it. If g = 10 m/s2, the time of flight is
detailed solution
Correct option is D
tanα=4HR=4H4H/3=3⇒α=60o∴ T=2×usinαg=2×40×sin60o10=43secTalk to our academic expert!
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