Write the Vector in the Form ≪a, B> $90 ^ { \circ }$

question 303

Multiple Choice

Write the vector in the form <a, b>. If necessary, round values to the nearest hundredth.
-forces of 89 and 63 newtons, forming an angle of $90 ^ { \circ }$ (round to the nearest newton)

• A) 152 newtons
• B) 26 newtons
• C) 5607 newtons
• D) 109 newtons

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Definitions:

Independent Variables

Variables that are manipulated or changed in an experiment to determine their effects on dependent variables.

Dependent Variables

Variables in an experiment that are expected to change in response to manipulations of the independent variable.

Testable Prediction

A statement that anticipates a specific outcome of a study or experiment, based on a hypothesis, which can be empirically verified.

Operational Definition

A statement of the procedures (operations) used to define research variables. For example, human intelligence may be operationally defined as “what an intelligence test measures.”