Physics, 22.04.2020 03:37 addisonrausch
W is the work done on the system, and K, U, and Eth are the kinetic, potential, and thermal energies of the system, respectively. Any energy not mentioned in the transformation is assumed to remain constant; if work is not mentioned, it is assumed to be zero.
K→ΔEth
Select a specific example of a system with the energy transformation shown.
a. A woodblock sliding across a rough horizontal surface and slowing to a stop.
b. A block sliding on level ground, to which a cord you are holding on to is attached
c. A woodblock moving across a horizontal rough surface at constant speed
d. A woodblock sliding down a rough inclined surface at a constant speed.
Answers: 3
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W is the work done on the system, and K, U, and Eth are the kinetic, potential, and thermal energies...
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