Category: Physics

What is the level of intensity of your physical activity in general? Typically, the intensity of physical activity can be described as light, moderate or vigorous. To benefit health, Australia’s Physical Activity and Sedentary Behaviour Guidelines recommend a variety of moderate and vigorous intensity physical activity. What is RPE level? Perceived Exertion (Borg Rating of […]

What is the half life of a first-order reaction if time required to decrease? Concentration is reduced to 25%. It means it takes two half-lives to decrease the concentration of reactant from 0.8 M to 0.2 M in first-order reaction. Hence, half-life of the reaction is 12/2 = 6 hours. The half life of reaction […]

What is the rarest item in the world? 24 Rarest of Rare Awesome Things Found on Earth Ever White Peacocks (Found in Grasslands of Australia and India) Bismuth Crystals. The Insides of a Meteorite. Jeweled Squid (Mid Atlantic and Pacific Ocean) ‘Life Within Death ‘ : Chinese Lantern (China, Japan and Southern Europe) Rafflesia arnoldi […]

Which process is involved when sedimentary rocks are arranged in layers? Stratification Why sedimentary rocks are found in layers? 1 Answer. Sedimentary rocks have layers because of different depositions of sediments (small broken pieces of rocks) over time. These are your “sediments”. You get a large clear boc, and dump in all of your dirt. […]

What mental illness did Don Quixote have? insomnia What is the main message of Don Quixote? Considered a founding work of modern Western literature, the novel’s message that individuals can be right while society is wrong was considered radical for its day. It’s been a major influence on Western books, movies, and plays since then. […]

How much does it cost to get a safe opened? Locksmith Charge to Open Safe Opening Method Used Average Cost Range Open by manual manipulation $150 – $200 Fire Safe by Drilling $200 – $250 In-Floor Safe by Drilling $325 – $475 Money Safe by Drilling $350 – $400 How long does it take a […]

How much does it cost to replace a vent valve? The cost to replace a purge valve in your car is generally between $110-$170, with the parts being the expensive price of the replacement, coming in at an average of $75-$110, while the labor usually only runs at about $50, meaning this is a quick […]

Is it hard to get a 9 in GCSE? While getting a 9 in GCSE Maths is difficult, it is not an impossible achievement. Put in the practice and hard work now and you’ll have a very good chance of nailing it in your exams and getting the grade you’re after. What percentage is a […]

Can 200 decibels kill a human? Acoustic grenades can go roughly from 120 decibels to 190 decibels. German researcher Jurgen Altmann showed that a blast of 210 decibels or more affects the inner organs — the lungs — and could cause internal injury that could lead to death. A blast will impact the body, and […]

What happens if you connect an ammeter in parallel? If we connect an ammeter in parallel there will be higher flow of current through the ammeter, it would cause a short circuit, resulting in damaging the ammeter and the circuit. Ammeter has a very low resistance. So the current which we measure in a circuit […]