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Maths-

General

Easy

Question

Derek is hang gliding on a clear day at an altitude of a feet. His visibility, v, is 67.1 mi. Use the formula v 1.225√a to find the altitude at which Derek is hang gliding

hint Hint:

Substitute the value of v and then find.

The correct answer is: Altitude at which Derek is gliding = 3000 feet

Complete step by step solution:
Here we have the formula to be $v equals 1.225 square root of a horizontal ellipsis text (i) end text$
Given that v = 67.1
On squaring (i), we have $v squared equals 1.500625 a$
⇒ 4502.41 = 1.500625a
⇒ a = 3000 feet
Altitude at which Derek is gliding = 3000 feet

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