If you wanted to soundproof your bedroom, the best material to line the walls would be 1. dense material such as plywood
2. soft material such as a foam cushion
3. a very hard material such as ceramic tile

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.

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

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant