A Stone with a Mass M Is Dropped from an Airplane

question 7

Multiple Choice

A stone with a mass m is dropped from an airplane that has a horizontal velocity v at a height h above a lake. If air resistance is neglected, the horizontal distance R from the point on the lake directly below the point of release to the point where the stone strikes the water is given by which formula?

• A) R = v(2h/g)²
• B) R = (1/2)gt²
• E) None of these is correct.

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