You happen to live on the same street as the grocery store. For a trip by car from your home to the grocery store, justify the selection of data needed to specify the average speed of your trip.
A. Displacement and Time
B. Velocity and Time
C. Distance and Time
D. Displacement and Distance

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.