Is there any end to the high gas prices? Unless you’ve been living under a rock, you know that there will never be two dollars a gallon again. I have a picture of my grandfather having a price war on the other side of the street. They were selling gas $.14 a gallon, and he ...
Potential energy (U) is energy dealing with systems of objects that exert forces on one another. Potential energy of an object can change as a reference frame changes. For example, an apple 10 feet off the ground on a shelf would have a different value of potential energy if you considered the potential energy from ...
Wind energy is when the power of the wind provides kinetic energy to power a wind turbine that produces electricity. Wind energy has its advantages and disadvantages. Its advantages include the absence of harmful emissions, the fact that the cost to operate is about equal to a fossil fuels energy plant and cheaper than a ...
Flying is one of today’s main forms of transportation. People use planes to fly for business, entertainment, and leisure. Air travel is relied on by thousands of people on a daily basis to get from one place to another. Without it, we would be limited to the places we could go, and very few people ...
