Objects a and B Interact with Each Other Via Both

question 39

Multiple Choice

Objects A and B interact with each other via both conservative and nonconservative forces.Let K_A and K_B be the kinetic energies, U be the potential energy, and E_int be the internal energy.If no external agent does work on the objects then:

• A)K_A + U is conserved
• B)K_A + U + E_int is conserved
• C)K_A + K_B + E_int is conserved
• D)K_A + K_B + U is conserved
• E)K_A + K_B + U + E_int is conserved

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Definitions:

Explanatory Style

A psychological attribute that indicates how people explain to themselves why they experience particular events, either positive or negative.

Valid Concern

Any issue or problem that is grounded in reality and deemed legitimate or reasonable to worry about or consider.

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