Question

For each of the following systems and time intervals, select the appropriate reduced version of the equation below, the conservation of energy equation.

ΔK + ΔU + ΔEint = W + Q + TMW +TET + TER

(a) the heating coils in your toaster during the first five seconds after you turn the toaster on

(b) your automobile from just before you fill it with gas until you pull away from the gas station at speed v

(c) your body while you sit quietly and eat a peanut butter and jelly sandwich for lunch

(d) your home during five minutes of a sunny afternoon while the temperature in the home remai