What is the difference between 0 and 180 phase?

What is the difference between 0 and 180 phase? The phase control operates over a range of 0 to 180 degrees. Setting the phase control to 180 degrees reverses the polarity of the subwoofer. In some application where the subwoofer is placed on a wall opposite from the speakers, reversing the subwoofer polarity can yield […]

How can yield strength be reduced?

How can yield strength be reduced? For the majority of materials, the yield strength decreases with increasing temperature. In metals, this decrease in yield strength is due to the thermal activation of dislocation motion, resulting in easier plastic deformation at higher temperatures. What happens when plastic is cooled? Once a plastic has been cooled below […]

Why boiling point varies with pressure?

Why boiling point varies with pressure? The normal boiling point is the temperature at which the vapor pressure of the liquid is equal to standard pressure. Because atmospheric pressure can change based on location, the boiling point of a liquid changes with the external pressure. Why is it easier to boil water at higher altitudes? […]

How do roller coasters go fast?

How do roller coasters go fast? The kinetic energy that makes a rollercoaster car move at speed comes from the potential energy the car gained when it was hauled to the top of the very first hill on the ride. The further they go down the hill, the faster they go, and the more of […]

What is genetic variation in biology quizlet?

What is genetic variation in biology quizlet? Genetic variation is the diversity present in the DNA of a population. Explain how genetic variation occurs within and between populations of a species. Genetic variation within a population occurs via mutation and sexual reproduction, and can be measured using average heterozygosity. Where does genetic variation come from […]

What is the average IQ of a Navy SEAL?

What is the average IQ of a Navy SEAL? The Navy requires an AFQT score of at least 35. Men who succeed at BUD/S traditionally have AFQT scores of 78 or better. The 78th percentile on an IQ scale roughs out at about 112. Anecdotally, many successful SEALs run in the high-120 IQ range. How […]

Why does it rain so much near the equator?

Why does it rain so much near the equator? Near the Earth’s equator, solar heating is intense year round. The Sun heats the ocean, evaporating tremendous amounts of water. As air rises, it cools, and water vapor condenses into rain. This daily cycle of heating, evaporation, and convection creates a persistent band of showers and […]

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