Arace car is traveling around a track under what circumstance would you hear the highest pitch

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.)

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical