The speed of a projectile at its maximum height is 32 times its initial speed. If the range of the projectile is n times the maximum height attained by it, n is equal to:
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a
43
b
23
c
43
d
34
answer is C.
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Detailed Solution
Given 32u = u cos θ = speed at maximum heightcos θ = 32or θ = 300------------------------(i)Given that nHmax. = R-----(ii)We know Hmax. = R tan θ4n =4tan θ = 4 tan 300 = 43