A light ray of wavelength 589 nm traveling through air strikes a smooth, flat slab of crown glass at an angel of 30.0° to the normal. What is the angel of refraction (O.)? 15.2 degrees O 16.2 degrees 18.2 degrees 19.2 degrees​

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?