If Air Resistance Is Neglected and the Initial Speed of a Projectile

question 57

Multiple Choice

If air resistance is neglected and the initial speed of a projectile is doubled,its range

• A)doubles.
• B)decreases by one-half.
• C)increases by a factor of four.
• D)decreases by a factor of four.
• E)does not change.

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Definitions:

Catalyst

Substance that increases the rate at which a chemical reaction proceeds without being changed permanently.

Chemical Reaction

A process that leads to the transformation of one set of chemical substances to another, characterized by the breaking and formation of bonds.

Solute

Dissolved substance in a solution.

Oxidator

A chemical agent or substance that is capable of accepting electrons in a redox reaction, often leading to the oxidation of another substance.