Category: Physics

What is the charge of an electron? Electrons. Electrons are found in the periphery of the atom and have a charge of -1. They are much smaller than protons; their mass is 11836 amu. Typically in modeling atoms, protons and neutrons are regarded as stationary, while electrons move about in the space outside the nucleus […]

What is able to melt the snow? Paraffin wax can help the roads melt snow on their own because of its nature. Made up of paraffin oil, it’s a phase change material, meaning as it moves from an liquid to a solid (as it cools down) it releases a thermal heat. Does rain melt lake […]

What is visible on the moon? One side of the moon always faces Earth. Even so, over time, it’s possible to see as much as 59% of the moon’s surface, due to lunar libration. Lunar libration lets us see more than 50% of the moon. One half of the moon always faces Earth, and one […]

Does Russia still use the Red Star? State military units The Russian Air Force used this star as a roundel up to 2013, when Russia re-instated the Soviet-era red star. As of 2014 the Armed Forces of Belarus still use the old Soviet red star. What is the race of a Russian? The Russians (Russian: […]

Are Heavier arrows more accurate? All factors remaining equal, heavy arrows always are more reliable, more durable, than lighter. More material, with additional layers of carbon material, equal more strength when subjected to abuse such as bone impacts or when shot into rocky ground or bounced off trees following misses. What happens if arrow spine […]

What is a healthy relationship with family? In healthy family relationships, people trust and rely on each other for support, love, affection and warmth. Families often share common goals and work together to reach those goals (for example, children and young people may help their families get the dinner dishes done so that everyone can […]

Which is the rarest Group 1 element? francium Do all group 1 elements react vigorously with water? All the alkali metals react vigorously with cold water. This shows that the reactivity of the alkali metals increases as you go down Group 1. What is the trend as we go down Group 1? Explaining the trend […]

How many deaths have self-driving cars caused? How many deaths have self-driving cars caused? (Gasgoo) So far, there have been two pedestrian fatalities. One was caused by an Uber vehicle, and the other by a Tesla AV. Additionally, four AV drivers died in self-driving car accidents. Has a self-driving car killed anyone? Uber chose not […]

Do front brakes wear faster than rear? Your front brake pads will also wear down faster than your rear pads. The front of your vehicle handles a lot more weight transfer as you brake, causing more wear. Over time heat and friction also contribute to brake pad wear. Do car brakes work with engine off? […]

Why is summer season important? Warmth of the summer days creates lifelong conditions for animals and plants activities. Also be ready for the thunderstorms, because in the summer it is very important phenomenon. It helps nature to survive in this hot period, crops to grow better and later give harvest! Why is summer season so […]