If a Projectile Is Fired Straight Up at a Speed

question 6

Multiple Choice

If a projectile is fired straight up at a speed of 10 m/s, the time it takes to reach the top of its path is about

• A) 2 seconds.
• B) 10 seconds.
• C) 1 second.
• D) not enough information to estimate

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Definitions:

Evaluate

The process of calculating the value of an expression.

Simplify

To simplify an expression means to reduce it to its simplest form, by performing all possible operations and combining like terms.

Evaluate

To calculate the value of an expression by substituting variables with given numerical values and performing the operations in the expression.

Function

A function is a mathematical relation between sets that associates every element of a first set to exactly one element of a second set.