When charges build up on a surface they: apply a force to charges wandering nearby create an electric field a and b a or b just so you all know, the answer is a and b. the other person who answered this question before was incorrect so whoever is reading this, the answer is a and b. hope it ! : )

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.)

Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes