Category: Physics

What are the negative effects of wasting water? Wasting water may limit its availability to other communities, especially in areas where water shortage is common. An arid ecosystem may suffer when water is wasted. This wasted water could have been better used elsewhere. Excess energy will be used in sewage treatment plants to treat wasted […]

How do we know the sun rotates? The Sun rotates once every 24 days at its equator, but only once every 35 near its poles. We know this by watching the motion of sunspots and other solar features move across the Sun. What would happen if the sun stopped rotating? The gravitational attraction of the […]

What is a word to describe someone who never gives up? A. Tenacious is a mostly positive term. If someone calls you tenacious you’re probably the kind of person who never gives up and never stops trying – someone who does whatever is required to accomplish a goal. You may also be very stubborn. Does […]

Is open source software better than proprietary? In open source software faster fixes of bugs and better security is availed due to the community. In proprietary software the vendor is completely responsible for fixing of malfunctions. What are the advantages and disadvantages of using open source software? As it is developed by a non-profit community, […]

What age is best to move out? Many commentators agreed that 25 – 26 is an appropriate age to move out of the house if you are still living with your parents. The main reason for this acceptance is that it’s a good way to save money but if you’re not worried about money you […]

What is the most important thing in a golf swing? Use the big muscles of your legs and trunk to move the little muscles of your arms and hands. So watch the players at impact – they are all the same – and that is the most important part of any golf swing. Are Nitro […]

Which direction are new nucleotides added? DNA is always synthesized in the 5′-to-3′ direction, meaning that nucleotides are added only to the 3′ end of the growing strand. As shown in Figure 2, the 5′-phosphate group of the new nucleotide binds to the 3′-OH group of the last nucleotide of the growing strand. What is […]

Do you have to have a seatbelt on in the backseat? While the law may not mandate that you wear your seat belt as a backseat passenger, it’s still a good idea to buckle up. In response, many states have enacted laws to encourage backseat passengers in vehicles to buckle up their seat belt just […]

What is the difference between oscillation and frequency? Therefore oscillation is said to be a periodic motion, that gets repeated at regular time durations. Generally, a wave is measured on the basis of wave parameters which are nothing but amplitude, period, frequency, phase, etc….Comparison Chart. Basis for Comparison Period Frequency Unit Seconds Hertz Is a […]

How do you calculate tube thickness in heat exchanger? If you take it the other way, your have 1440 PSIG at the bottom of the vessel and 1427 PSIG at the top of the vessel. For example: @ 1440 PSIG you have min thicknesses of 0.90301″ in the shell, and 0.8703″ in the head. @ […]