Category: Physics

Can a cloud freeze? Clouds do freeze in extreme temperatures. Cirrus clouds, which are the highest, are not liquid droplets, but rather ice crystals. What confuses me is why you believe that freezing to solid crystals would make them fall from the sky. The ice crystals do not weigh any more than water droplets would. […]

How do you ask for help in English? (To) give (someone) a hand / (To) lend (someone) a hand. This is another really common way to ask for help in English. To help someone out. Help me out, help you out, help them out. (To) help out. It can be with assistance or it can […]

What disqualifies you for a liver transplant? Aged 65 years or older with other serious illness. With severe organ disease due to diabetes. With severe obesity. With severe and active liver disease such as hepatitis B. Is there age limit for liver transplant? Excellent results can be achieved with elderly donors and there is virtually […]

Is there a vacuum in double glazed windows? Double-glazed doors and windows are made up of two sealed sheets of glass with an insulating void between them. This gap is either in the form of a vacuum, or more commonly filled with a heavy inert gas such as argon. Together, the panes of glass and […]

How much is gas and electric for a 1 bed flat? Based on domestic energy prices in 2020 the average monthly dual fuel (electricity and gas) energy bill for a 1 bed flat is £40 to £65 assuming 1 adult occupation. If there are 2 adults in a one bedroom flat then the average energy […]

Why are distractions bad? If you switch back and forth between tasks often enough, you could feel disoriented, or even exhausted. In addition, your brain will produce more cortisol, a stress hormone that often leads to irritability, aggression and impulsive behavior. How can you limit internal distractions? 10 Smart Tips to Prevent Distractions and Sharpen […]

Is the voltage the same for capacitors in series? When capacitors are connected in series and a voltage is applied across this connection, the voltages across each capacitor are generally not equal, but depend on the capacitance values. Why a capacitor should be connected in parallel not series? Capacitors are devices used to store electrical […]

Which cells in your body undergoes cellular respiration? All living cells must carry out cellular respiration. It can be aerobic respiration in the presence of oxygen or anaerobic respiration. Prokaryotic cells carry out cellular respiration within the cytoplasm or on the inner surfaces of the cells. What are the similarities between photosynthesis and aerobic respiration? […]

What are the 3 major types of magma? There are three basic types of magma: basaltic, andesitic, and rhyolitic, each of which has a different mineral composition. All types of magma have a significant percentage of silicon dioxide. Basaltic magma is high in iron, magnesium, and calcium but low in potassium and sodium. Which type […]

Is S1 louder than S2? The intensity of S1 depends upon: the position of the AV valves at the onset of ventricular systole, the structure of the leaflets themselves, and the rate of pressure rise in the ventricle. Normally, S1 is louder than S2 at the apex, and softer than S2 at the base of […]