If object a and object b collide object a have the same momentum as it had before the collision. t or f

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

The ph is the a.independent variable b.the dependent variable c.control group

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.