Solve
-When an Object Is Dropped to the Ground from a Height

question 60

Multiple Choice

Solve.
-When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation $t = \sqrt { \frac { \mathrm { h } } { 4.9 } }$ , where $t$ is measured in seconds. If an object falls $122.5$ meters before it hits the ground, find the time it took for the object to fall.

• A) \(8 \mathrm { sec }\)
• B) \(6 \mathrm { sec }\)
• C) \(5 \mathrm { sec }\)
• D) \(25 \mathrm { sec }\)

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Definitions:

Visual Development

The process of improving and maturing the visual system, affecting how visual information is processed.

Critical Period

A specific time in development during which the presence or absence of certain experiences has a profound influence on the formation of abilities.

Inner Ear

The innermost part of the ear, containing the cochlea, semicircular canals, and vestibular sacs.

Basilar Membrane

A structure in the cochlea of the inner ear that vibrates in response to sound and whose vibrations lead to the perception of sound.