Category: Physics

What are the top 10 landforms? The Grand Canyon. The Mississippi River. Death Valley. Appalachian Mountains. Kilauea Volcano. The Everglades. Carlsbad Caverns. The Rocky Mountains. What makes landforms unique and amazing? Different types of landforms include mountains, hills, canyons, plateaus, valleys, deserts, volcanoes, and even underwater features such as mid-ocean ridges and basins. The physical […]

Why do crocodiles eat humans? Crocodiles do not necessarily set out to hunt humans. They are clearly ferocious hunters, but they are opportunistic predators. Any animal that moves is fair game. They will even venture onto land to find prey. Why do crocodiles cry fake tears? Crocodile tears (or superficial sympathy) is a false, insincere […]

Can you put pasta in a thermos? ✔ Saucy foods like stew, chili, curry, pasta, or hot oatmeal. TIP: Food will only stay hot or cold in a thermos if it has some liquid. It’s better to send food like Lunchbox Veggie-Cheese Muffin Frittatas cold with an ice pack. TIP: Turn dry dinner leftovers like […]

How much energy does it take to boil 100 mls of water if room temperature is 20c? From the steam tables, the heat capacity is close to 2 KJ/kg/deg C, far from 1.2 that you used, so it takes around 160 KJ to heat a kg of water to 100 C, from 20 C. This […]

Where is gravity the strongest in the universe? The Sun What’s the strongest force in the universe? strong nuclear force What would your weight be on the moon? Your weight on the Moon is 16.5% what you would experience on Earth. In other words, if you weighed 100 kg on Earth, you would weigh a […]

What is the role of gravity in the formation of the solar system? Gravity is the powerful force that glues our universe together. Gravity helped form our solar system, the planets, and the stars. It holds the planets in orbit around the Sun, and moons in orbit around the planets. The gravitational pull of the […]

Does social media cause more harm than good? Social media has caused people to be more dependent on checking their phones. Additionally, a person could take a break from social media for a period of time. This would provide a vacation to the toxicity of the platforms. While not all social media is negative, its […]

What will be energy to remove an electron from the ground state of u91 +? The energy required to remove both electrons from the Helium atom in its ground state is 79.0 eV. The energy required to remove both electrons from He in its ground state leaving behind He++ ion = 79 eV. … How […]

What is the use of geyser at home? A water geyser requires a lot of energy to heat water. This high consumption of electricity shoots up the electricity bill during winters. Therefore in order to lower the monthly electricity bills, it is very important to use water geysers in a right way. Can we drink […]

What is the hardest coal? Anthracite Which is called black gold? Crude Oil is also known as Black Gold. The word ‘Black’ because of its appearance when it comes out of the ground and the term ‘Gold’ for of its rarity and utility associated with it. Why is gold black? Oxidation. Special acids when applied […]