Two Objects,one of Mass M and the Other of Mass

question 47

Multiple Choice

Two objects,one of mass m and the other of mass 2m,are dropped from the top of a building.If there is no air resistance,when they hit the ground

• A)both will have the same kinetic energy.
• B)the heavier one will have twice the kinetic energy of the lighter one.
• C)the heavier one will have four times the kinetic energy of the lighter one.
• D)the heavier one will have half the kinetic energy of the lighter one.
• E)the heavier one will have one-fourth the kinetic energy of the lighter one.

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Definitions:

Hemisphere

Half of a spherical or roughly spherical body; in geography, it refers to one half of the earth, and in neurology, it refers to one half of the brain.

Right Cerebral Hemisphere

The right half of the brain, often associated with spatial abilities, facial recognition, and processing of music and art.

Mirror

A reflective surface, typically glass coated with a metal amalgam, that reflects a clear image.

Recognize Themselves

The ability of an individual to identify and acknowledge their own reflection or representation as their own.