Car a has a mass of 1,200 kg and is traveling at a rate of 22 km/hr. it collides with car b. car b has a mass of 1,900 kg
and is traveling in the same direction at 25 km/hr. which of the following statements is true?
the momentum before the collision is equal to the momentum after the collision.

The object's initial distance above the groundthe object's initial velocity

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips. 

They like garbage and they hunt during the night.