A 050-Kg Object Moves in a Horizontal Circular Track with a a Radius

question 12

Multiple Choice

A 0.50-kg object moves in a horizontal circular track with a radius of 2.5 m. An external force of 3.0 N, always tangent to the track, causes the object to speed up as it goes around. If it starts from rest its speed at the end of one revolution is:

• A) 9.8 m/s
• B) 14 m/s
• C) 15 m/s
• D) 19 m/s
• E) 21 m/s

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Definitions:

Confirmation Error

A cognitive bias that involves focusing on information that confirms one’s preconceptions and ignoring information that contradicts them.

Anchoring and Adjustment Bias

A cognitive bias where individuals rely too heavily on the first piece of information received (the "anchor") when making decisions.

Representativeness Bias

A cognitive bias where individuals inaccurately judge the likelihood of an event by comparing it to an existing prototype in their minds.

Ideation Step

The phase in a creative or problem-solving process where ideas are generated.