15. The diagram below shows a ray reflected from a smooth surface.
N
(a)
Complete the above diagram by drawing the other ray and the normal. You
need to label the two rays and the normal in the diagram.
(b)
Lahel the angle of incidence and the angle of reflection

The equation that describes a transverse wave on a string is y = (0.0120 m)sin[(927 rad/s)t - (3.00 rad/m)x] where y is the displacement of a string particle and x is the position of the particle on the string. the wave is traveling in the +x direction. what is the speed v of the wave?

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Convection currents are caused by differences in what two things?