A Car Moves Horizontally with a Constant Acceleration of 3

question 4

Multiple Choice

A car moves horizontally with a constant acceleration of 3 m/s². A ball is suspended by a string from the ceiling of the car; the ball does not swing, being at rest with respect to the car. What angle does the string make with the vertical?

• A) 17
• B) 35
• C) 52
• D) 73
• E) Cannot be found without knowing the length of the string

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Definitions:

Fallacy of Composition

The incorrect belief that what is true for the individual is necessarily true for the group as a whole.

Empirical Measure

A quantitative determination obtained through observation and experimentation rather than theory.

Variable

A measure that can change from time to time or from observation to observation.

Causality

Describes a relationship where one event (the cause) directly affects the outcome of another event (the effect).