Category: Physics

What does pen stand for? PEN originally stood for “Poets, Essayists, Novelists”, but now stands for “Poets, Playwrights, Editors, Essayists, Novelists”, and includes writers of any form of literature, such as journalists and historians. Why pencils are not used in space? To understand why NASA was so keen on a workable space pen, you have […]

What does the egg represent how about the egg shell drifting continent? The egg could be seen as a tiny model of the Earth. The thin shell represents the Earth’s crust, divided into plates; within the shell is the firm but slippery mantle. Move the pieces of shell around. Pull the plates apart and push […]

Is it OK to run anaerobic? If you keep running for too long in this anaerobic state, you will have to slow down significantly or stop. But if you are running for a realistic time goal, and are pacing yourself correctly, you should only be running anaerobically for a short period of time, at the […]

Is dry ice harmful? Dry ice can be a very serious hazard in a small space that isn’t well-ventilated. As dry ice melts, it turns into carbon dioxide gas. In a small space, this gas can build up. If enough carbon dioxide gas is present, a person can become unconscious, and in some cases, die. […]

Who is the most boring celebrity? 10 Boring A-List Celebs That Are Undeserving Of Their Title 3 Beyonce. 4 Justin Timberlake. 5 Anne Hathaway. 6 Oprah Winfrey. 7 Jim Carrey. 8 Jennifer Garner. 9 Gwyneth Paltrow. 10 Jennifer Aniston. Jennifer Aniston is most definitely one of the most boring celebrities in Hollywood. Who is the […]

What is the formula for calculating acceleration? Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2). Does constant velocity have to be in a straight line? Yes. Velocity […]

What is best treatment for low bone density? Pharmacologic treatment with alendronate, risedronate, zoledronic acid, or denosumab should be prescribed for women with osteoporosis to reduce the risk of hip and vertebral fractures. Pharmacologic treatment should continue for five years, during which time bone density monitoring should not be done. What happens if you have […]

What three conclusions came from the gold foil experiment? most of the alpha particles did pass straight through the foil. a small number of alpha particles were deflected by large angles (> 4°) as they passed through the foil….Rutherford and the nucleus. What happened Rutherford’s conclusions Most of the alpha particles did pass straight through […]

Can I die while giving birth? It was estimated that in 2015, a total of 303,000 women died due to causes related to pregnancy or childbirth. The majority of these causes were either severe bleeding, sepsis, eclampsia, labor that had some type of obstruction, and consequences from unsafe abortions. What are the chances of dying […]

Does the stomach produce mucus? The stomach has a two-layered mucus system, composed of an inner, attached mucus and an outer, unattached, loose mucus layer, both built by the MUC5AC mucin produced by the superficial epithelium. Glands in the stomach and duodenum secrete the gel-forming mucin MUC6. What would happen if there was no mucus […]