Three Different-Mass Projectiles Are Launched from the Top of a Building

question 65

Multiple Choice

Three different-mass projectiles are launched from the top of a building each at different angles of elevation.Each particle has the same initial kinetic energy.Which particle has the greatest kinetic energy just as it impacts with the ground?

• A)The one launched at the highest angle of elevation.
• B)The one with the highest mass.
• C)The one with the lowest mass.
• D)They all will have the same kinetic energy on impact.

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Definitions:

Forebrain

The anterior part of the brain, including the cerebral hemispheres, the thalamus, and the hypothalamus, responsible for a variety of functions including cognition, sensory processing, and motor responses.

Neocortex

The most evolved part of the cerebral cortex that involves higher functions such as sensory perception, generation of motor commands, spatial reasoning, conscious thought, and in humans, language.

Gray Matter

The darker part of the brain and spinal cord consisting mainly of neuronal cell bodies, dendrites, and unmyelinated axons, and is involved in processing information.

White Matter

White matter refers to the pale-colored part of the central nervous system that consists mostly of myelinated nerve fibers and serves to transmit signals within the brain.