Use the Component Method of Vector Addition to Find the Resultant

question 33

Multiple Choice

Use the component method of vector addition to find the resultant of the following three vectors: = 56 km, east = 11 km, 22° south of east = 88 km, 44° west of south

• A)81 km, 14° west of south
• B)97 km, 62° south of east
• C)52 km, 66° south of east
• D)68 km, 86° south of east
• E)66 km, 7.1° west of south

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Definitions:

Poor Validity

Refers to a lack of accuracy in measuring what a test or research study is designed to measure, questioning the results' trustworthiness.

Poor Reliability

Referring to the lack of consistency or dependability in the results of a test, measurement, or research finding.

Experimental Group

In an experiment, the group exposed to a variable that is manipulated, the independent variable.

Independent Variable

In an experiment, the variable that is manipulated.