A3.00-l tank contains air at 3.00 atm and 20.0 ∘c. the tank is sealed and cooled until the pressure is 1.00 atm. part a what is the temperature then in degrees celsius? assume that the volume of the tank is constant. t = ∘c

True or false a high force means an object is moving fast100 points!

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.

Two horses begin at rest. after a few seconds, horse a is traveling with a velocity of 10 m/s west, while horse b is traveling with a velocity of 13 m/s west. which horse had a greater acceleration? a. horse a because its change in velocity was greater than horse b's in the same time. b. horse b because its change in velocity was greater than horse a's in the same time. c. horse b because its change in velocity was the same as horse a's, but it took less time. d. both horses had the same acceleration.