In the combined gas law, if the pressure in the system is increased, what happens to the volume?
a. the volume decreases.
b. the volume increases.
c. the volume remains the same.

Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

The force it would take to accelerate an 900-kg car at the rate of 6m/s2