A 65.0 kg skydiver, falling through the air with a speed of 15.0 m/s, opens his parachute. As a result, he experiences a drag force of magnitude = 8, where is the speed of the skydiver.

Find the acceleration of the skydiver when his speed reaches 12.0 m/s.

Acube has a volume of 2011 cubic inches. what is the angle measure between a side of a cube and its interior diagonal?

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.)

Explain earth's motion, using the terms "precession" and "rotation" in your answer.