PLEASE HELP ME LOTS OF POINTS The train that braked was moving at an acceleration of 0.4 m / s ^ 2 for 25 sec. Then its speed is the braking moment and the braking distance is?

SO I THINK ITS a=0,5m/s

t = 25sec

and we need to found V and 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.

Standing at the same location, which organism would have the greatest gravitational attraction to the earth? a- your pet dog b- your pet ant c- your pet opossum d- your pet elephant

If a small-diameter open glass tube is partially immersed in a vessel containing mercury, the surface of the mercury inside the tube will be a. lower than the mercury in the vessel, and shaped like the inside of a bowl. b. higher than the mercury in the vessel, and shaped like the inside of a bowl. c. lower than the mercury in the vessel, and shaped like the outside of an umbrella. d. higher than the mercury in the vessel, and shaped like the outside of an umbrella.