A Stone with a Mass M Is Dropped from an Airplane

question 5

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.

---

Definitions:

Pretend Play

A form of play among children where they use their imagination to create scenarios and enact roles, helping in cognitive and social development.

Mental Acts

Cognitive activities of the mind, such as thinking, reasoning, and problem-solving.

Mutual Exclusivity Assumption

The cognitive bias in language acquisition where children assume that objects only have one name and that different names refer to different objects.

Cones

In the eye, cone-shaped receptors of light that transmit sensations of color.