Category: Physics

How do you determine the root cause of accident? For simpler incidents, brainstorming and checklists may be sufficient to identify root causes. For more complicated incidents, logic/event trees should also be considered. Timelines, sequence diagrams, and causal factor identification are often used to support the logic/event tree tool. What are the immediate causes of accidents? […]

Which is the main purpose for global positioning technology? GPS, or the Global Positioning System, is a global navigation satellite system that provides location, velocity and time synchronization. GPS is everywhere. You can find GPS systems in your car, your smartphone and your watch. GPS helps you get where you are going, from point A […]

What happens if you put too much eye drops in your eye? However, overusing artificial tears can actually flush out the tears your eyes do produce. Or, it can wash away the oily layer of the tear film that helps the tears “stick” to the surface of the eyes. As a result, the tears evaporate […]

Why is it important to know the use of laboratory tools and equipment give at least two reasons? Science can be fun but it can also be dangerous because you can be working with any kind of objects, chemicals, or minerals that may be able to harm you or someone else. You must know your […]

Which of the following has the thinnest walls? The walls of the capillaries are so thin that molecules can diffuse through the walls of the capillaries to the membranes of the cells that surround the capillaries. The pulmonary capillaries allow oxygen to diffuse into the blood while carbon dioxide is able to diffuse outward in […]

Which describes how a turbine works to produce energy for electricity? Wind turbines operate on a simple principle. The energy in the wind turns two or three propeller-like blades around a rotor. The rotor is connected to the main shaft, which spins a generator to create electricity. Click NEXT to learn more. How do solar […]

Can I use a second power supply for graphics card? tl;dr: is it safe to run 2 PSUs on one system? Yes, but you need to turn both of them on at the same time and bridge the GPU power supply. You can also get/make a connector so both PSUs get their POWER_OK (turn on) […]

How is Mecca center of Earth? The “Mecca: the Center of the Earth, Theory and Practice” conference was organized and attended by Muslim theologians and other religious officials from across the world. One of the contentions was that unlike other longitudes, Mecca was in perfect alignment with the magnetic north. Are you allowed inside the […]

How many feet does it take to stop going 55 mph? 300 feet How many feet can you safely pass? You are required by law to signal at least 100 feet before changing lane. Never pass a vehicle that has stopped for a pedestrian to cross. Passing on a Two-lane Roadway Passing on a two-lane […]

What is the energy a substance must absorb in order to change from a liquid to a gas? latent heat, also called the heat of vaporization, is the amount of energy necessary to change a liquid to a vapour at constant temperature and pressure. What are the 6 chemistry terms for phase changes and what […]