The number of particles in a gas system inversely affects and directly affects
a. volume; pressure and temperature
b. pressure; temperature and volume
c. temperature; pressure and volume

From the graph the speed of the snail in the first 20 seconds centimeter/second. after that, the snail remains in the same place for seconds

True or false graphs must include scales that increase by the same amount

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?