Asample of a gas (5.0 mol) at 1.0 atm is expanded at constant temperature from 10 l to 15 l. the final pressure is atm. a sample of a gas (5.0 mol) at 1.0 atm is expanded at constant temperature from 10 l to 15 l. the final pressure is atm. 1.5 7.5 0.67 3.3 15

A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?

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Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.