A Projectile Is Fired into the Air at an Angle

question 71

Multiple Choice

A projectile is fired into the air at an angle of 50 degrees with the ground and lands on a target that is at the same level at which the projectile started.It will also land on the target if it is fired at an angle of

• A)40 degrees.
• B)45 degrees.
• C)55 degrees.
• D)60 degrees.
• E)none of these

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Definitions:

Solution

The value or set of values that satisfies a given mathematical equation or inequality.

Inequality

A mathematical sentence indicating that two expressions are not equal, using symbols such as <, >, ≤, or ≥.

Solve

The process of finding the value(s) of variable(s) that satisfy an equation, inequality, or system of equations.