Category: Physics

Did Tycho Brahe lose his nose? Tycho Brahe (1546–1601) was a Danish astronomer. When he was 20, Brahe lost part of his nose in a sword duel with his third cousin, Manderup Parsberg. Manderup’s blade cut away most of the nasal bridge, leaving the nasal cavity and septum exposed. What was the greatest contribution of […]

Which is more easy push or pull? In case of pull or push the actual weight of the roller is same but in case of the push the sine component is in direction of the weight while in case of the pull it is in the opposite direction of the force, hence the friction force […]

What are 3 ways to reduce acid rain? Other Sources of Energy A great way to reduce acid rain is to produce energy without using fossil fuels. Instead, people can use renewable energy sources, such as solar and wind power. Renewable energy sources help reduce acid rain because they produce much less pollution. Is acid […]

Is Chi the same as chakra? Chakra is a nexus of chi inside the body. Chi is the life energy that surrounds the universe. Chi/Ki is the energy that flows around your body. Chakras are the spiraling pools of Chi/Ki that go up and down the spine. Is baguazhang kung fu? Baguazhang is considered to […]

What are 5 good conductors? The most effective electrical conductors are: Silver. Gold. Copper. Aluminum. Mercury. Steel. Iron. Seawater. What are 5 insulators? Insulators: glass. rubber. oil. asphalt. fiberglass. porcelain. ceramic. quartz. What materials make the best insulators? Plastic, rubber, wood, and ceramics are good insulators. These are often used to make kitchen utensils, such […]

What are the three types of kinetic friction? There are three major types of friction: sliding, rolling, and fluid friction. Is static friction A self adjusting force? Static friction is recognised as a self-adjusting force because it wants the objects to remain at rest not move. Hence, if an external force is applied, the static […]

Is it worth having 2 jobs? Of course, there are some obvious benefits to having more than one job. The first of these is the fact that a second (or even third) job means a higher income – extra cash that can be used to pay off debts, add to savings accounts or simply pay […]

Can you look at the sun through your phone? It is possible that viewing the unfiltered sun on your cellphone or tablet screen could damage your eyes if you stare at the screen long enough. This is another reason to use a solar viewer over the camera. How long do you have to look at […]

What is the best sentence to practice typing? The quick brown fox jumps over the lazy dog “The quick brown fox jumps over the lazy dog” is an English-language pangram—a sentence that contains all of the letters of the English alphabet. The earliest known appearance of the phrase is from The Boston Journal. Which sentence […]

What must you rotate in a generator to induce an electric current? In any electric generator, some form of energy is applied to turn a shaft. The turning shaft causes a coil of wire to rotate between the opposite poles of a magnet. Because the coil is rotating in a magnetic field, electric current is […]