A 60-Kg (Including the Passenger)sled Is Subject to a Net

question 39

Multiple Choice

A 60-kg (including the passenger) sled is subject to a net force of 20 N pushing in the direction of the sled's motion as it is moving over a horizontal surface for a distance of 11 m after having started from rest.At this point the sled is released as it starts down a 10.0° incline.However,the snow is not very deep,and the sled stops after having moved an additional 35 m.What is the work done by friction while the sled is on the incline?

• A)-3.6E+3 J
• B)-3.8E+3 J
• C)-3.4E+3 J
• D)-2.0E+4 J

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Definitions:

Simulation Heuristic

The simulation heuristic is a psychological theory that explains how people determine the likelihood of an event based on how easy it is to visualize the event happening.

Exam Question

A query or problem posed during an examination to evaluate a student's knowledge or skills.

Simulation Heuristic

A cognitive heuristic where people determine the likelihood of an event based on how easily they can imagine it happening, influencing their perception of risks and outcomes.

Conformity

Going along with the crowd, that is, saying or doing whatever other people are doing.