Supplements are designed to replace a meal.
True
False

A6,600 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400kg moving at -3.0m/s. what is their final velocity? +0.50 m/s -1.0 m/s +2.5 m/s -0.25 m/s

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Could someone . i have tried to solve myself but my calculation is off