Five Motion Diagrams in Which Points Represent the Positions of an Object

question 36

Multiple Choice

Five motion diagrams in which points represent the positions of an object at equal time intervals are shown below. Which statement is correct?

• A)A has the greatest speed and the greatest acceleration.
• B)C has decreasing speed.
• C)D slows down and then speeds up.
• D)D speeds up and then slows down.
• E)E has a greater speed than A.

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Definitions:

Melting

The process of changing from a solid to a liquid state due to an increase in temperature and/or a decrease in pressure.

Island Arc

An island arc is a chain of islands formed from the volcanic activity associated with the subduction zones of tectonic plates, typically located in the ocean.

Calderas

Large, basin-like depressions resulting from the collapse of a volcano after a major eruption.

Magma Chambers

Large pools of molten rock located beneath the Earth's surface, where magma accumulates before it is erupted as lava during a volcanic eruption.