The Earth rotates 1 time every 24 hours….. A. How many RPM’s is this?
B. What is the velocity of a person standing on the surface of the Earth 6,378,000 m from the center?

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.