As heat is taken away from a fluid, its particles. slow down and come closer together. ï®. This causes the fluid to contract â its volume. decreases. ï®. This causes the density to increase. (D=M/V if V gets smaller, M/V gets bigger) ï®. Viscosity will also be affected, as particles slow. down and come closer together, it gets harder. for them to move past each other. Therefore, viscosity increases.
The commercial kind are probably $250 on up. You can get a nice Shure brothers mike for around $120. Their SM-58 is good for recording and amplifying voices, and the SM-57 excels at recording or amping musical instruments. Sennheiser is a long-time company that also makes several lines of mikes (or mics, if you prefer) that range from home-use to phenomenal studio use.
1 Novelty antennas such as those that look like a picture frame can cost $39 to $62. 2  For example, the Antennas Direct Pf6 Picture Frame Antenna retails for $39 to $46. Cables that come in the packaging generally do not go further than 10 or 20 feet. 2  Boosters cost extra if you are not happy with the channels that you are receiving. 3  Depending on the setup of the TV, an amplifier may be required in order to boost the signal. 4  The cost of an amplifier can cost anywhere from $12 to $50.