Category: Physics

How many grams of potassium chloride can be dissolved in 200g of water at 80 C? Answer and Explanation: This means that at 80 degrees C, the saturated solution of KCl will contain 50 grams of KCl for every 100 grams of water. Therefore, the mass of KCl that will dissolve in 200g of water […]

Does electricity travel on the outside of a wire? However, electrical energy does not travel though the wire as sound travels through air but instead always travels in the space outside of the wires. This is because electric energy is composed of electric and magnetic fields which are created by the moving electrons, but which […]

Which component of wheel bearings holds the rollers or balls in place? The inner race, or cone, is the part of the bearing that sits directly on the shaft. The rolling elements, shaped as balls or rollers, provide the cushion that eases the moving friction of the shaft within its housing. These elements keep the […]

Does vinegar kill bees? Vinegar Spray Solution: Vinegar spray is a great natural way to get the bee out of your yard, as well as simple to make and use. This mixture will kill the bees so make sure you remove all of the dead bees. Does bleach kill bees? Natural products that kill bees […]

What is a simple definition of sound energy? Sound energy is the movement of energy through a substance – such as air or water – in the form of waves. It is produced when a force causes an object or substance to vibrate. What are the three sources of sound? Sound sources can be divided […]

Is too bad for Lasik? Overall, LASIK is a very safe surgery, and complications are incredibly rare. But some people face side effects, including: Dry eyes. For most people who experience this issue, it resolves within a few months as the eyes heal. Can you still wear glasses after Lasik? You can wear glasses or […]

Why does heat excite electrons? Electrons can also be excited by electrical excitation, where the original electron absorbs the energy of another, energetic electron. The simplest method is to heat the sample to a high temperature. The thermal energy produces collisions between the sample atoms causing the atom’s electrons to be excited. What does it […]

How many watts is 1.35 kg? 1350 watts How do you convert kg to kW? How many kg-m/s in 1 kilowatt? The answer is 101.97162129779. We assume you are converting between kilogram-force meter/second and kilowatt. You can view more details on each measurement unit: kg-m/s or kilowatt The SI derived unit for power is the […]

What can a camera do which a human eye Cannot? We cannot freeze motion with our eyes. With a camera, however, so long as there is enough light, we can freeze motion. We can even record events that happen too fast for the human eye to see them. The camera can capture ‘the moment’, while […]

What can you use nail polish for? 10 Household Uses for Clear Nail Polish Thread a Needle With Ease. Don’t spend countless minutes trying to pull the end of a thread through a needle. Waterproof Your Garden Markers. Protect your garden markers from the elements. Prevent Rust Rings. Secure Eyeglasses. Prevent Green Fingers. Secure Screws. […]