Which is faster the speed of light or the speed of sound this is actually for a padlet so it doesn't get deleted so plz join my padlet

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

Why is the use of carbon-14 limited