What is a unit for gas particle pressure? (Choose all that apply)
torr
kPa
mm Hg
atm

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot