A Laser Is Thrown Upward with a Speed of 12

question 119

Multiple Choice

A laser is thrown upward with a speed of 12 m/s on the surface of planet X where the acceleration due to gravity is 1.5 m/s² and there is no atmosphere.How long does it take for the laser to reach the maximum height?

• A)8.0 s
• B)11 s
• C)14 s
• D)16 s

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Definitions:

Scoria Cone

A small, steep-sided volcanic cone made of glassy lava fragments that have been ejected from a volcanic vent and solidified in the air.

Caldera

A sizable volcanic cavity, usually created by a significant eruption that causes the volcano's mouth to collapse.

Vesicular Basalt

A type of basalt that is porous due to gas bubbles (vesicles) trapped within the lava as it cools on the Earth's surface.

Volcanic Breccia

A type of rock consisting of angular fragments of volcanic material cemented together by finer-grained sediments or volcanic ash.