If a Rock Is Thrown Upward on the Planet Mars $12 \mathrm {~m} / \mathrm { s }$

question 10

Multiple Choice

If a rock is thrown upward on the planet Mars with a velocity of $12 \mathrm {~m} / \mathrm { s }$ , its height in meters $t$ seconds later is given by
$$y = 12 t - 1.92 t ^ { 2 }$$
Find the average velocity over the time interval $[ 2,3 ]$ .

• A) \(- 0.6 \mathrm {~m} / \mathrm { s }\)
• B) \(4.4 \mathrm {~m} / \mathrm { s }\)
• C) \(2.4 \mathrm {~m} / \mathrm { s }\)
• D) \(3.4 \mathrm {~m} / \mathrm { s }\)
• E) \(1.4 \mathrm {~m} / \mathrm { s }\)

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Definitions:

Consistent

A relation between two or more statements that are both true on at least one assignment of truth values to their atomic components.

Metaphorical Uses

Describing a concept or object by using it to refer to something it only resembles in a non-literal, symbolic way.

Literal Meaning

The explicit or primary sense of a word, phrase, or text, without interpretation, metaphor, or exaggeration.

Genus

In taxonomy, a rank used in the classification of organisms and in logical categorization, representing a group of species sharing common characteristics.