Solve the Problem. -The Acceleration of Gravity near the Surface of Mars Is

question 23

Multiple Choice

Solve the problem.
-The acceleration of gravity near the surface of Mars is 3.72 m/sec2. If a rock is blasted straight up from the surface with an initial velocity of 85 m/sec (about 190 mph) , how high does it go? (Hint: When is velocity zero?)

• A) Approximately 1942.25 meters
• B) Approximately 22.85 meters
• C) Approximately 971.1 meters
• D) Approximately 170 meters

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Definitions:

Electronegativity

Measure of the ability of an atom to pull electrons away from other atoms.

Hydrophobicity

The physical property of a molecule that is seemingly repelled from a mass of water.

Cohesion

The force that holds molecules of the same substance together, contributing to the tensile strength of water.

Acid

Substance that releases hydrogen ions in water.