What is the mass of a block if it's moving at 10 m/s and has 200 J of energy

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

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation