Category: Physics

What are the 5 non-renewable resources? Nonrenewable energy resources include coal, natural gas, oil, and nuclear energy. Once these resources are used up, they cannot be replaced, which is a major problem for humanity as we are currently dependent on them to supply most of our energy needs. What is good about non-renewable resources? The […]

How do you know if tubes are open or closed? Open and closed ends reflect waves differently. The closed end of a tube is an antinode in the pressure (or a node in the longitudinal displacement). The open end of a tube is approximately a node in the pressure (or an antinode in the longitudinal […]

Who owns the largest diamond mine in the world? De Beers Group What is the biggest mine in the world? Bingham Canyon Mine What is the largest open pit in the world? Bingham Canyon mine Where is the biggest pit in the world? When would miners use an open pit mine? Open-pit mining is the […]

What is the actual name of a merry go round? carousel How dangerous are merry-go-rounds? Sometimes children get on and off the piece of equipment while it is rotating. These can be dangerous because it is hard for children to know how to get on and off while the merry go round is moving. It […]

What happens when two objects are charged by contact? When two neutral objects come into contact–especially in a dry environment–electrons can be knocked loose from one object and picked up by the other. The object that gains electrons becomes negatively charged, while the object that loses electrons becomes positively charged. What is an example of […]

What is the ratio of distance and speed? The speed of thief is 60 km/hr, so he has covered 30 km in 30 minutes. The ratio of speeds of thief and police is 60: 80 or 3: 4. Excluding the first 30 minutes, the thief and the police have run for the same time. So […]

What is the 3 parts of the earth? ​​The earth is made up of three different layers: the crust, the mantle and the core. Why are the 4 layers of the earth important? The layers of Earth provide geologists and geophysicists clues to how Earth formed, the layers that make up other planetary bodies, the […]

What are the factors on which surface tension depends? Surface tension depends on the nature of the liquid, the surrounding environment and temperature. Liquids where molecules have large attractive intermolecular force will have a large surface tension. How do you explain surface tension? Surface Tension: “The property of the surface of a liquid that allows […]

How geothermal energy works step by step? Geothermal Power Plants Hot water is pumped from deep underground through a well under high pressure. When the water reaches the surface, the pressure is dropped, which causes the water to turn into steam. The steam spins a turbine, which is connected to a generator that produces electricity. […]

Is water a source of energy for the body? One must understand that water is pivotal to a healthy, mind, body and heart. Besides quenching one’s thirst, it is also the ultimate source of energy. What is the importance of nutrition? A healthy diet throughout life promotes healthy pregnancy outcomes, supports normal growth, development and […]