Two objects are being lifted by a machine. One object has a mass of 4 kg, and is lifted at a speed of 5 m/s. The other has a mass of 8 kg and is lifted at a rate of 7 m/s. Which object had more potential energy when it was lifted a distance of 10 m? What does this tell you about the variable(s) that impact gravitational potential energy?

Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.