Category: Physics

How do you remember who or whom? Whom should be used to refer to the object of a verb or preposition. When in doubt, try this simple trick: If you can replace the word with “he”’ or “’she,” use who. If you can replace it with “him” or “her,” use whom. Who should be used […]

What is another name for igneous rock? Igneous rocks are also known as magmatic rocks. Igneous rocks are divided into two types: plutonic and volcanic rock. Plutonic rock is another name… What is another name for extrusive igneous rocks? volcanic rocks What is the difference between plutonic and volcanic igneous rocks? Volcanic rocks are igneous […]

How do I keep my pendulum swinging? There are several things that you can do to make a pendulum swing for a long time: Make it heavy (and, specifically, dense). The more mass a pendulum has, the less outside influences such as air resistance will degrade its swing. Put it in a vacuum. Use an […]

What is the most cost efficient way to heat a home? Geothermal Is it better to heat house all day? According to experts at the Energy Saving Trust, the idea it’s cheaper to leave the heating on low all day is a myth. The Energy Saving Trust says if you’re keeping the heating on all […]

What energy movement lasting about 5 15 minutes and does not require energy? Answer. Explanation: motorbike engine uses the stored energy of petrol and converts it to heat and energy of motion (kinetic energy). What are the bodies energy systems? There are three energy systems: the immediate energy system, the glycolytic system, and the oxidative […]

Why is it so hot in Florida right now? Because Florida lies so close to the equator, it receives stronger sunlight than the rest of the country. If you shine a flashlight on a globe, right in the middle, the area where the light is the brightest represents the areas where the sun’s radiation is […]

How can Pythagoras be used in real life? The Pythagorean Theorem is useful for two-dimensional navigation. You can use it and two lengths to find the shortest distance. … The distances north and west will be the two legs of the triangle, and the shortest line connecting them will be the diagonal. The same principles […]

How do you forgive yourself for past mistakes? How to Forgive Yourself Focus on your emotions. Acknowledge the mistake out loud. Think of each mistake as a learning experience. Give yourself permission to put this process on hold. Have a conversation with your inner critic. Notice when you are being self-critical. Quiet the negative messages […]

Do rechargeable batteries die if not used? Rechargeable Lithium-Ion batteries have a limited life and will gradually lose their capacity to hold a charge. This loss of capacity (aging) is irreversible. Lithium-Ion batteries continue to slowly discharge (self-discharge) when not in use or while in storage. Routinely check the battery’s charge status. Can you revive […]

What is the power of steam? Steam power constitutes an important power source for industrial society. Water is heated to steam in power plants, and the pressurized steam drives turbines that produce electrical current. The thermal energy of steam is thus converted to mechanical energy, which in turn is converted into… Why steam is used […]