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Most energy is produced by the breaking and reforming of molecular bonds. A car's combustion reaction in which fuel is converted into energy, co2 and water is a good example of this. Energy is rarely produced on the atomic level, such as a nuclear power plant or an atom bomb. Energy is produced this way through Einstein's E=mc^2. In an atomic reaction the mass of the products is slightly less then the mass of the reactants. Plug the change in mass into Einstein's equation and you get a lot of energy. To recap, most energy is made on the molecular level with endothermic (reactions which absorb energy) and exothermic reactions (reactions which emit energy), however a small amount takes place on the atomic level.
Yes. Velocity is speed per unit of time with a direction vector telling you which way the object in question is moving. Acceleration is a change in velocity - in any part of velocity. If something like, say, a rock is in deep space (a zillion light years from anything) and it's moving along unaffected by any gravity or other forces, it has some velocity (some speed in a given direction, or is moving at some distance per unit of time in a given direction), but it isn't changing speed or direction. If something is moving without changing its speed or its direction (either of which requires a force to act on the object - to accelerate the object), it has zero acceleration. Such an object is said to have a constant velocity and will have zero acceleration. Certainly if an object is not moving, it has zero velocity and zero acceleration, but that's probably not what is being asked. It has velocity (zero) and no acceleration. To recap, an object can have a non-zero velocity and zero acceleration.
Get a load of this...There is an exact unit of volume called the butt. See Webster's dictionary:Butt: a measure of liquid capacity equal to 126 gallons or two hogs heads.From another dictionary:An English butt is 2 hogshead of 54 imperial gallons each or ~129.7 US gallons (i.e., a UK butt is apparently slightly bigger than a US one).A Spanish butt is based on a wine cask and is equivalent to 140 US gallons or ~116.6 UK gallons (i.e., a Spanish butt is bigger still).So next time someone says they have a "butt load" of stuff, just remember, that is about two 55-gallon barrels worth of stuff.To recap...1 butt equals: 2 hogsheads (this is probably the easiest to remember for social occasions)476.961 liters126 gallons104.917 UK gallons13.5347 bushels0.131592 cords11.6574 firkins4032 gills21504 ponys4032 noggins1008 pints96768 teaspoons12.0308 ephahs1.58987x10^7 drops10752 jiggers16128 shots629.504 wine bottles630 fifthsAnd the punchline...One microbutt = 0.0968 teaspoons.
Well you have to set up a fraction ratio For example I want to convert 88 inches squared to mm not squared but just a length dimension 88 inches x 1 mm/ 0.0393 inches = 2,239.185750636132 so inches ^2 divided by inches will leave you with inches and millimetres which is incorrect the correct way using unit analysis is square root of 88 is 9.38083151964686 now divide this by 1 mm/0.0393 inches and your only left with mm not inches and mm. Your end result in an equation will look as follows 9.38083151964686 inches X 1 mm/0.0393 = and I'll let you do that math 😃. Just to answer possible questions you may ask where did 0.0393 come from well that is the amount of inches in a mm you may also ask why mm on top that is for unit analysis to cancel out the inch measurements leaving us with our desired mm To recap we went from inches^2 square rooted it to make it inches so they cancel in our equation( Inch/inch ) and were left with mm
To recap, Newton's first law states that an object in motion will stay in motion with constant velocity given that there are no net forces acting upon it. For example, if a ball was pushed with zero net forces acting on it besides the first force push, it will go on forever until a force decides to act on it, such as friction or gravity. Contrary to Newton's first law, Newton's second law implies that if an object is acted upon with existing net force, the object will accelerate with the same direction. The equation Force (F) = mass (m) x acceleration (a) derives from the second law. Similarly to the first law, any net force on a body is conserved, implying the rule of conservation of momentum. In the first law, a force acted on a body will cause the body to move with the same magnitude of force in the same direction if there is zero net force. In the second law, a net force on a body causes the body to accelerate with the same direction as the net force.
The duration of Revolution Recap is 3600.0 seconds.
Revolution Recap was created on 2005-04-03.
At the end of the lecture he gave a brief recap of its contents.
A sports recap is a condensed explanation of what happened on any sporting event(s).
Quote recap refers to a summary that usually appears at the end and repeats itself in a given discussion. The quote recap is used to bring certain things that were discussed previously into context.
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