Heat can be transferred through conduction, convection, and radiation. What is necessary in order for heat to be transferred by conduction?
A.
The substances must be liquids or gases.
B.
The objects must be in direct contact with one another.
C.
Heat must be transferred through space.

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Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?

A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?