Category: Physics

Which WiFi frequency is best? Ideally, you should use the 2.4GHz band to connect devices for low bandwidth activities like browsing the Internet. On the other hand, 5GHz is the best suited for high-bandwidth devices or activities like gaming and streaming HDTV. What is the advantage of having WiFi in your car? Benefits of car […]

How should you approach a dock when there is a strong wind blowing away from the dock? If the wind is offshore (blowing away from the dock), you should approach the dock at a 20 to 30 degree angle. A bow line is passed ashore and secured. In boats with an outboard, or inboard/outboard engine, […]

Does Salt raise boiling temp of water? When salt is added, it makes it harder for the water molecules to escape from the pot and enter the gas phase, which happens when water boils, Giddings said. This gives salt water a higher boiling point, she said. “The temperature of saltwater will get hotter faster than […]

Which rainforest layer gets the most sunlight? canopy What type of sunlight does the rainforest get? Tropical Rainforest: Plants Although tropical rainforests receive 12 hours of sunlight daily, less than 2% of that sunlight ever reaches the ground. The tropical rainforest has dense vegetation, often forming three different layers–the canopy, the understory, and the ground […]

Why do wheels have friction? A wheel or ball on a surface is held there by static sliding friction. In order to start the rolling motion, a force or torque must be applied to the wheel. The force of the static sliding friction prevents the wheel from sliding and thus initiates the rolling motion. Is […]

Can you fail fifth grade? Will I fail the 5th grade? No, you won’t fail 5th grade. But honestly, you may be missing the point. If you made an F in math, you really need to find out why and correct your performance. What age are 5th graders? 10 years old Can a 12 year […]

What is the chemical name of ch2? Methylene Why is CH2 called methylene? Methylene was used as the name for methanol, which is wood alcohol, CH3OH, in the early 19th century. Methylene comes from methe + hyde the latter being the Greek word for wood, so methylene would mean wine from wood. What is full […]

What is DNA as genetic material? DNA, deoxyribonucleic acid, is the genetic material in your cells. It was passed on to you from your parents and determines your characteristics. Where is genetic material found? The genetic material of a cell or an organism refers to those materials found in the nucleus, mitochondria and cytoplasm, which […]

Why is it easier for humans to walk through air than liquid water? It is easier to push an object through air than through water. This is because air is less dense than water. Since air is less dense this means there is less matter, or less “stuff”, in a certain area of air than […]

What two states have no karst? Almost all 50 states within the United States (US) have karst areas (exceptions are Delaware and Rhode Island), with the greatest amount of karst sinkhole damage occurring in Florida, Texas, Alabama, Missouri, Kentucky, Tennessee, and Pennsylvania (in decreasing order of damage). What is the biggest karst in the world? […]