What is kinematics ???

any alive soul here ??? xD -,- ​

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

An object's buoyant force and weight mean the same thing. a. trueb. false