A possible explanation of or answer to a scientific question that is based on prior knowledge or research and is testable is called a law.
hypothesis.
theory.
experiment.

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?

Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.