A 500-G Firework Explodes into Two Pieces of Equal Mass

question 28

Multiple Choice

A 500-g firework explodes into two pieces of equal mass at an instant when it is traveling straight up at 10 m/s. If one half shoots off horizontally to the left at 20 m/s, what is the velocity, in m/s, of the other half immediately after the explosion? (The x axis is directed right; the y axis up.)

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Definitions:

Motor Nerves

Nerves that transmit impulses from the central nervous system to muscles, causing them to contract and enable movement.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, which integrates information it receives from, and coordinates and influences the activity of, all parts of the bodies of bilaterally symmetric animals.

Internal Organs

Organs located within the body cavities, responsible for performing various vital functions necessary for survival.

Central Nervous System

The part of the nervous system consisting of the brain and the spinal cord, responsible for processing and sending out information.