Is 300 watts enough for a subwoofer? An aftermarket receiver — you might want 200 to 300 watts RMS of power. Amplified speakers with around 50 watts RMS per channel — 250 to 500 watts RMS is a good starting point. A system with 100 watts RMS per channel — having at least 1,000 watts […]
What is the most common energy conversion?
What is the most common energy conversion? kinetic energy How does insulation stop unwanted energy transfers? Energy loss through walls can be reduced using cavity wall insulation. This involves blowing insulating material into the gap between the brick and the inside wall, which reduces the loss by air circulating inside the cavity, therefore reducing loss […]
What is broaching in machining?
What is broaching in machining? Broaching is a machining process using a cutting tool with teeth that increase in size from front to back. In many cases, an entire surface (or multiple surfaces) can be finished in a single pass with broaching. The technique is most often applied to finish holes, splines and flat surfaces. […]
Why is there no friction on ice?
Why is there no friction on ice? One of these theories is that friction causes the liquid layer of water to form on ice. Friction is the force that generates heat whenever two objects slide against each other. If you stand on ice without moving, no friction exists to generate heat, yet the ice is […]
How accurate is Gaia?
How accurate is Gaia? Even stars near the Galactic Centre, some 30 000 light-years away, will have their distances measured to within an accuracy of 20%. – The Gaia Data Processing and Analysis Consortium (DPAC) consists of more than 400 individuals who will contribute some 2000 person-years of effort to the Gaia data processing exercise. […]
Does higher voltage mean higher current?
Does higher voltage mean higher current? Hence, the specific answer to your question is no. High voltages do not equal high currents. Voltage and current move inversely to each other. Higher voltage means lower current, and vice-versa. How does voltage affect speed? Back to the original question: how does voltage affect speed? From the analysis […]
What is the order of structures that oxygen passes through?
What is the order of structures that oxygen passes through? Air then travels down the pharynx and larynx, through the trachea, and into the lungs. In the lungs, air passes through the branching bronchi, reaching the respiratory bronchioles. The respiratory bronchioles open up into the alveolar ducts, alveolar sacs, and alveoli. What is the pathway […]
Is Zenith the North Star?
Is Zenith the North Star? Sign up for our free daily newsletter today! We in the Northern Hemisphere are particularly lucky to have Polaris, a moderately-bright star, closely marking the north celestial pole – the point in the starry sky that’s at zenith (directly overhead) at the Earth’s North Pole. What are the 3 celestial […]