A 2000 kilogram railroad car moving at 5 m/sec to the East collides with a 6,000 kilogram railroad car moving at 3 m/sec to the west if the cars couple together what is their velocity after the collision

In this experiment, you will use a track, a toy car, and some washers to explore newton’s first two laws of motion. you will make observations and collect data regarding the motion of these objects. in the space below, write a general scientific question that you will answer by doing this experiment.

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

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?