Category: Physics

How much energy will we need in 2050? EIA projects that total world electricity generation will reach nearly 45 trillion kilowatthours (kWh) by 2050, almost 20 trillion kWh more than the 2018 level. How much energy does a human need? “The average human, at rest, produces around 100 watts of power. This equates to around […]

Can I get fafsa if I live on my own? By law, to be considered independent on the FAFSA without meeting the age requirement, an associate or bachelor’s student must be at least one of the following: married; a U.S. veteran; in active duty military service other than training purposes; an emancipated minor; a recently […]

Is density a unique identify? 4. Discover that density is a unique physical property of matter. Why is density a characteristic property of matter? Density is defined as mass per unit volume of a substance and is a characteristic (intensive) property. All matter has mass and volume, which means it takes up space. The relationship […]

What is correlation in rock layers? Correlation is the technique of piecing together information from widely separated rock outcrops in order to create an accurate chronological profile of an entire geologic time period. In order to accomplish this, geologists attempt to measure the absolute ages of rock strata using techniques such… Why are some rock […]

What is the procedure to parcel bike in train? Two wheeler needs to be booked as parcel if you are not travelling by train along with the vehicle. Go to the Parcel office with Xerox copy of two wheeler’s registration certificate. Two wheeler needs to be packed properly before booking. Make sure that petrol tank […]

How fast is a Challenger RT 0-60? The 0-60 mph acceleration is 3.4 seconds. It can do a quarter mile in 10.8 seconds at a speed of 131 mph. The R/T Scat Pack Challenger has a much more modest 485 horsepower but is just as impressive. Its quarter mile was 11.7 seconds at 115 mph. […]

Is it illegal to have LED reverse lights? NSW and SA will only allow work lights on the rear of the vehicle while Tas only allows them to be fitted to the sides. There’s very few laws regarding reverse lights – most dealing with automatically coming on when reverse is engaged and the angles the […]

What is the amount of heat energy released when 50.0 grams of water is cooled from 20.0 C to 10.0 C? – 2093 When 25.0 grams of water are cooled from 20.0 C to 10.0 C the number? Answer: 1045 J of energy was released on cooling the down the water from 20 °C to […]

How often does a roof need dethatching? Generally the ridge of the thatch will require replacing every 10 – 15 years. The coatwork will vary depending on the material used and its associated lifespan. To keep the roof in best condition: Allow it to dry well, remove trees and plants which may hinder the sun […]

Is US on UK Red List? There will be different travel restrictions for each group; the U.K. and the U.S. are on the amber list, which crucially only allows non-essential travel for vaccinated travelers. All EU countries are rated green, meaning they can visit without any travel restrictions. Is America allowing UK tourists? The USA […]