Category: Physics

What part of body regulates body temperature? Our internal body temperature is regulated by a part of our brain called the hypothalamus. The hypothalamus checks our current temperature and compares it with the normal temperature of about 37°C. If our temperature is too low, the hypothalamus makes sure that the body generates and maintains heat. […]

What are the 2 main components of body composition? A two-component model of body composition divides the body into a fat component and fat-free component. Body fat is the most variable constituent of the body. The total amount of body fat consists of essential fat and storage fat. What is a healthy body composition? Body […]

What are the benefits of drinking ginger ale? Many commercial ginger ale drinks use artificial ginger flavoring. Some also contain very little ginger and a lot of added sugar. Ginger may have anti-inflammatory and antioxidant properties. It may also help with headaches and nausea and provide benefits for heart health. Is ginger ale healthier than […]

How far will the cannonball land? Given the initial speed of the cannonball and the angle at which it was shot, can you determine how far it will travel? So there you have it — now you can figure out the range of the cannon given the speed of the cannonball and the angle at […]

What is magnetization formula? Magnetization is a measure of the density of magnetism and may be calculated from the number of magnetic moments in a given volume. This may be shown as M = Nm/V where M is the magnetization, N is the quantity of the magnetic moment, m is its direction and V is […]

Who named all the planets? All of the planets, except for Earth, were named after Greek and Roman gods and godesses. Jupiter, Saturn, Mars, Venus and Mercury were given their names thousands of years ago. The other planets were not discovered until much later, after telescopes were invented. What is the only planet not named […]

How do you find quantum number L? The secondary quantum number, l, divides the shells up into smaller groups of subshells called orbitals. The value of n determines the possible values for l. For any given shell the number of subshells can be found by l = n -1. This means that for n = […]

What is the separation between the D1 and D2 lines of sodium lamp output? Two spectral lines of sodium D1 and D2 have wavelengths of approximately 5890 and 5896 Å sodium lamp sends incident plane. Two spectral lines of sodium D1 and D2 have wavelengths of approximately 5890 and 5896 Å sodium lamp sends incident […]

Why is it important to reduce fossil fuels? Burning fossil fuels like coal, oil, and gas results in carbon pollution, which causes climate change. So if we want to stop climate change (and avoid devastating extreme weather, sea level rise wiping out communities, global conflict and instability, etc.), we have to stop burning fossil fuels. […]

What does force times distance? Work is defined as force times distance. Work is a measure of the energy expended in applying a force to move an object. When negative work is performed, the driving system is always accepting energy from the driven system. … Is work force times displacement or distance? Work is equal […]