You would like a pendulum that swings back and forth once every 2 seconds

Write short note on the following ; collision theory, rotation angle and angular velocity, centripetal acceleration, coriolis force, and newton's law of gravitation.

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.