Category: Physics

What makes a person free? A free person will ignore negative judgement from others because they know what’s best for themselves. They also avoid handing too much power over to people with overbearing and forceful personalities. Free people don’t give in to peer pressure and meaningless obligations that don’t benefit them. How can I be […]

What shape does blood take as it free falls through the air? Unique features of blood as it free-falls includes: → Blood that free-falls through the air has a high surface tension and thus it forms spherical droplets as it falls as opposed to the ‘tear-drop’ form that water takes as it falls. Each spherical […]

How did nuclear weapons start the Cold War? Known as the Cold War, this conflict began as a struggle for control over the conquered areas of Eastern Europe in the late 1940s and continued into the early 1990s. Initially, only the United States possessed atomic weapons, but in 1949 the Soviet Union exploded an atomic […]

What are the two types of memory interference? Interference is an explanation for forgetting in long term memory. The basic theory states that interference occurs when information that is similar in format gets in the way of the information that someone is trying to recall. There are two types of interference; retroactive and proactive. What […]

How did God die on the cross? According to all four gospels, Jesus was brought to the “Place of a Skull” and crucified with two thieves, with the charge of claiming to be “King of the Jews”, and the soldiers divided his clothes before he bowed his head and died. How did God create the […]

Can you drink sea water if lost at sea? Why can’t people drink sea water? Seawater is toxic to humans because your body is unable to get rid of the salt that comes from seawater. Your body normally gets rid of excess salt by having the kidneys produce urine, but it needs freshwater to dilute […]

Which muscles are involved in forced expiration? In forced expiration, when it is necessary to empty the lungs of more air than normal, the abdominal muscles contract and force the diaphragm upwards and contraction of the internal intercostal muscles actively pulls the ribs downwards. What are the 4 steps of breathing? Inhaling and exhaling may […]

What apps do pilots use? Here are our top 10 apps that are worth installing on your iPad or Android tablet: ForeFlight Mobile. This is definitely a must-have for every pilot. Garmin Pilot. Garmin has been creating navigation products for pilots for a long time now. MyRadar. Sporty’s E6B. CloudTopper. FltPlan Go. WingX. Takeoff. Is […]

How life is compatible with the second law of thermodynamics? Whenever a system can exchange either heat or matter with its environment, an entropy decrease of that system is entirely compatible with the second law. At some point, virtually all organisms normally decline and die even while remaining in environments that contain sufficient nutrients to […]

How do you cheat on Zoom online? There is another trick popular among students even in proctored exam. They make a cheat sheet, fold it in half and paste it on the side of the screen. They hold the paper against the screen when the proctor asks them to show their surroundings. Does ClassMarker use […]