A football is kicked at 18 m/s at an angle of 28o. How long is the football in the air before it strikes the ground? 0.86 s

1.2 s

1.7 s

7.3 s

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.