What muffles sound the best?

What muffles sound the best? The best types of surfaces for absorbing sounds are ones with jagged surfaces and hollow recesses within (much like a sponge or cardboard). The proper object captures the sound waves and bounces them around within the object until the vibrations dwindle. Does Styrofoam deaden sound? Polystyrene foams such as Styrofoam […]

What do we call a ramp and ladder combined?

What do we call a ramp and ladder combined? A wedge is a simple machine that is made of two inclined planes together. Inclined planes don’t move, but wedges do. An axe is an example of a wedge. Inclined planes are simple machines used to make work easier. Ramps, ladders, and staircases are all inclined […]

What is CP and CV for water?

What is CP and CV for water? Specific heat is the energy required to raise the temperature of a unit mass of a substance by one degree. In thermodynamics, there are two kinds of specific heats: Cv (specific heat at constant volume) and Cp (specific heat at constant pressure). What is CP and CV? The […]

Is hail a solid or liquid?

Is hail a solid or liquid? Hail actually falls as a solid. Hailstones are formed by layers of water attaching and freezing in a large cloud. A frozen droplet begins to fall from a cloud during a storm, but is pushed back up into the cloud by a strong updraft of wind. When the hailstone […]

How do you enter a different state of consciousness?

How do you enter a different state of consciousness? Altered states of consciousness may also be induced by: Hypnosis. Meditation. Spiritual experience. Learning. Insight. Understanding. Emotional development. Sensitivity training. What is a normal state of consciousness? Definition. The normal state of consciousness comprises either the state of wakefulness, awareness, or alertness in which most human […]

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