Category: Physics

What is the difference between closed head injury and concussion? A concussion is a type of closed head injury, which is often referred to as a traumatic brain injury or TBI. The symptoms of concussion include headache, dizziness, sleep disturbances, visual changes, difficulty with balance, fatigue and memory problems. TBI encompasses many more brain injuries […]

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? […]

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 […]

Who was the first person to memorize the Holy Quran? Muhammad Who was Allah? In Islam, Allah is the unique, omnipotent and only deity and creator of the universe and is equivalent to God in other Abrahamic religions. According to Islamic belief, Allah is the most common word to represent God, and humble submission to […]

What do you expect to find at a mid ocean? Mid-ocean ridges occur along divergent plate boundaries, where new ocean floor is created as the Earth’s tectonic plates spread apart. As the plates separate, molten rock rises to the seafloor, producing enormous volcanic eruptions of basalt. Which discovery did they make about rocks in relation […]

How do you know if a dryer heating element is bad? If your dryer takes longer than usual to dry your clothes, or the air in the dryer never heats, your heating element might be bad. What causes a dryer element to burn out? A dryer’s heating element operates on the same principle as the […]

What material can be used to measure volume of liquid? Chemists use beakers, flasks, burets and pipets to measure the volume of liquids. What instruments do you use to measure volume? A graduated cylinder is one instrument used to measure volume. Graduated cylinders are available in several sizes. The user reads the volume from the […]

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: […]

What Hall voltage is produced by a 0 What is Hall effect and Hall voltage? The Hall effect is the production of a voltage difference (the Hall voltage) across an electrical conductor that is transverse to an electric current in the conductor and to an applied magnetic field perpendicular to the current. It was discovered […]

What is the correct order highest temperature on top for stellar classification? The seven main types are M, K, G, F, A, B and O. M stars are the coldest stars and O stars are the hottest. What is the main sequence stage? The main sequence is the stage where a star spends most of […]