Category: Physics

What scientific ideas were rejected? 6 World-Changing Ideas That Were Originally Rejected The Earth is Round – 330 BC. The Earth Revolves Around the Sun – 1600s. Darwin’s Theory of Natural Selection – 1838. Pasteurization: Diseases are spread by germs – 1850s. Bacteria Causes Stomach Ulcers – 2005. Breakthrough Biological Theories on the Human Condition […]

Is G positive or negative? g always acts downwards and is a positive number 9.8 m/s². It can be negative or positive depending upon the sign you assign to upward and downward directions. g is a number, like 5.6 or pi. There is no “positive or negative” version of g. How was Big G calculated? […]

Are LED continuous or discrete? LED lights, or “Light Emitting Diodes,” as they are better known, emit a continuous spectrum. The spectrum they cover is not as broad as other colored lights or incandescent lights. How do you know if a variable is discrete? A discrete variable is a variable whose value is obtained by […]

How many moles of Al2O3 are formed when .78 mol O2 reacts with aluminum? 0.52 mole How many moles of aluminum are in Al2O3? 1 moles How many grams are in 1 mole of aluminum? 26.982 g How many moles of oxygen are in aluminum oxide? The mole ratio is 32 , so 32×4.68=7.02 mol […]

What happens when a volume of fluid is warmed at the bottom? First, the liquid on the bottom of the pot closest to the heat source starts to get hot; as it does, it rises. The rising hot water is replaced by the cooler, more dense water molecules. The bubbles rise, due to buoyancy, and […]

What are the disadvantages of GMO Brainly? Answer: It can be dangerous to other insects that are important to our ecosystem. It sparks concerns on changing the field of agriculture. It can damage the environment. It causes unwanted residual effects. It can create more weeds. It threatens crop diversity. It has trade issues. Less Biodiversity. […]

How can students manage time wisely? Time Management Tips for Busy College Students Identify Time-Wasters and Set Goals. It’s easy to get distracted. Plan Ahead by Creating a To-Do List. Tackle Small Tasks to Start. Only Do One Thing at a Time. Establish Routines. Use Breaks Wisely. Take Time Off. Learn to Delegate. Is studying […]

Is fungus a virus or bacteria? Fungi are more complicated organisms than viruses and bacteria—they are “eukaryotes,” which means they have cells. Of the three pathogens, fungi are most similar to animals in their structure. What’s the difference between a parasite and a virus? Bacteria and viruses can live outside of the human body (such […]

Do you get pulled over if caught by a speed gun? Radar and laser guns Used by roadside police officers, hand-held speed guns are pointed at oncoming cars and they are able to give an instant speed reading. If you’ve exceeded the speed limit, you’re likely to be pulled over. Does a cop have to […]

What was the best ship ever built? Here in this article we present you the top 10 historic ships all time. U.S.S. Monitor and C.S.S. Virginia (aka Merrimack) U.S.S. Constitution. Battleship U.S.S. Missouri. HMS Victory. Battleship U.S.S. Maine. German Battleship Bismarck. Battleship U.S.S. Arizona. British Luxury Liner RMS Titanic. What does SS stand for on […]