Aconducting single-turn circular loop with a total resistance of 4.50 ω is placed in a time-varying magnetic field that produces a magnetic flux through the loop given by φb = a + bt2 − ct3, where a = 7.00 wb, b = 12.5 wb/s−2, and c = 5.50 wb/s−3. φb is in webers, and t is in seconds. what is the maximum current induced in the loop during the time interval t = 0 to t = 1.70 s?

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Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.

Which best describes the difference between internal and thermal energy?