For each of the following systems and time intervals, select the appropriate red
ID: 2173043 • Letter: F
Question
For each of the following systems and time intervals, select the appropriate reduced version of the equation below, the conservation of energy equation.?K + ?U + ?Eint = W + Q + TMW +TET + TER
(b) your automobile from just before you fill it with gas until you pull away from the gas station at speed v
?Eint = W + Q + TET
?U = Q + TMT
0 = Q + TMT + TET + TER
?K + ?U + ?Eint = W + Q + TMW + TMT
?K = W + Q
?Eint = Q + TET + TER
?U = W + Q + TMW + TMT
(c) your body while you sit quietly and eat a peanut butter and jelly sandwich for lunch
0 = Q + TMT + TET + TER
?Eint = Q + TET + TER
?K = W + Q
?K + ?U + ?Eint = W + Q + TMW + TMT
?U = Q + TMT
?Eint = W + Q + TET
?U = W + Q + TMW + TMT
(d) your home during five minutes of a sunny afternoon while the temperature in the home remains fixed
?K = W + Q
?U = W + Q + TMW + TMT
?Eint = W + Q + TET
?Eint = Q + TET + TER
0 = Q + TMT + TET + TER
?K + ?U + ?Eint = W + Q + TMW + TMT
?U = Q + TMT
Explanation / Answer
?Eint = Q + TET + TER ?U = W + Q + TMW + TMT
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