Light is made incident from water to flint glass. The angle of refraction in flint glass is 23.10°. Find the angle of incidence of light on the flint glass from water. The refractive index of water is 1.33 and that of flint glass is 1.62.

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?

Why does a collision with an airbag cause less damage than a collision with a steering wheel