Which of the free body diagrams depict an object accelerating to the right? in the free body diagrams, which of the objects could be at rest ?
in the above diagrams, which of the objects would be accelerating the fastest?

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?

Which are causes of mechanical weathering? (check all that apply) a. acid rain b. plant growth c. animal actions d. carbon dioxide e. pressure release i chose b & e and got the question wrong.

Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above