In a projectile experiment, a ball rolls off a table with an initial speed of 2.45 m/s. The ball hits the floor 4.0 m from the base of its launch point.
Determine the height of the table.

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

Drag each tile to the correct box. tiles bra i sequence

Who was the first scientist to measure speed as distance over time?