2 Which is true of a parallel circuit? o The currents in each separate branch add up to the total current that leaves
the cell.
O
The current is the same at each point in the parallel circuit.
The potential difference across each lamp in a parallel circuit adds up to give
the potential difference of a battery or cell.
O
The circuit has a single closed loop.

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)