Assuming air resistance is negligible, how fast would ball be travelling as it hits the floor after free-falling from rest for 5 second

What should the power status of a circuit be when measuring resistance with an ohmmeter?

The discovery of the electron as a subatomic particle was a result of

Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature