Speed is a measure of
A.
how long an object can travel with no energy.

B.
the amount of mass per unit volume of a material.

C.
how far an object travels in a certain amount of time.

D.
the length of a moving object and the direction in which the object is moving.

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.)

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

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