Do solar hot water systems need servicing? How often should I have my solar hot water system serviced? To ensure the longevity, continued performance and safety of your solar hot water system, it’s recommended that you service it once every five years. What causes an airlock in hot water system? What causes an airlock in […]
What is the acceleration between 0 and 2 s?
What is the acceleration between 0 and 2 s? Between 0 and 2 seconds the acceleration is +2 m/s2. Between 2 and 3 seconds the acceleration is zero. What is acceleration give its type? definition. When the velocity of an object changes it is said to be accelerating. Acceleration is the rate of change of […]
How heavy is a gallon of gasoline?
How heavy is a gallon of gasoline? about 6.3 pounds What’s more dense gasoline or water? Water is denser than petrol, so there essentially more molecules of water in a given volume. For example in a given volume, there may be 15,000 molecules of petrol but 20,000 molecules of water. Is gas less dense than […]
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Are Mirrors 100% reflective?
Are Mirrors 100% reflective? General. Domestic mirrors are not perfect mirrors as they absorb a significant portion of the light which falls on them. A simpler mirror may reflect 99.9% of the light, but may cover a broader range of wavelengths. Almost any dielectric material can act as a perfect mirror through total internal reflection. […]
How do I know if I have reduced blood flow to heart?
How do I know if I have reduced blood flow to heart? If blood flow becomes impaired due to coronary artery disease, you may experience: extreme fatigue. shortness of breath. dizziness, lightheadedness, or fainting. chest pain and pressure, known as angina. heart palpitations. swelling in your legs and feet, known as edema. swelling in your […]
Is se a main group element?
Is se a main group element? In chemistry and physics, the main group elements are any of the chemical elements belonging to the s and p blocks of the periodic table. Specific examples of main group elements include helium, lithium, boron, carbon, nitrogen, oxygen, fluorine, and neon. What is difference UPSC and Group 1? Type […]
Will evaporation be faster or slower on a cloudy day why?
Will evaporation be faster or slower on a cloudy day why? Evaporation rates are higher at higher temperatures because as temperature increases, the amount of energy necessary for evaporation decreases. In sunny, warm weather the loss of water by evaporation is greater than in cloudy and cool weather. So, sunny, hot, dry, windy conditions produce […]
What stimuli do taste and smell detect?
What stimuli do taste and smell detect? Taste (gustation) and smell (olfaction) are both chemical senses; that is, the stimuli for these senses are chemicals. The more complex sense is olfaction. Olfactory receptors are complex proteins called G protein-coupled receptors (GPCRs). Why are taste and smell called the two chemical senses? Taste (gustation) and smell […]
Which is the lightest subatomic particle?
Which is the lightest subatomic particle? Electron Where do protons get their charge? quarks What gives electrons their charge? So now we can answer your question in the language of the quantum field: the electron gets its charge by the field allowing to create one positive charge state and one negative charge state at the […]