13. Kristina has three skateboards for her skateboarding competitions. The brown and pink skateboards are of equal mass and more massive than
the green skateboard, which has the least mass. One day, she tested the
skateboards by giving each a push, but not from the same direction. Use the
information in the diagram to answer.
Which skateboard(s) experienced the strongest force from Kristina's push? How
do you know?

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.