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In a gun, the energy is initially stored as chemical energy in the gunpowder. When it is fired, this energy is converted to several different forms. First, it is converted into thermal energy. This causes gasses to expand behind the bullet, and so a portion of this thermal energy is converted to the kinetic energy of the bullet. Some of the bullet's energy is converted to heat by friction in the barrel on the way out. The rest of the thermal energy remains as heat in the hot gasses, or in the barrel. A small amount of chemical energy remains unused also, in the form of unburned gunpowder. Some of the energy is also converted to sound waves, creating the bang. Here is the energy conversion breakdown for a typical small firearm:

  • Projectile motion 32%
  • Barrel friction 2%
  • Hot gases 34%
  • Barrel heat 30%
  • Unburned propellant 1%
  • Sound energy <1%
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15y ago

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Is shooting a gun mechanical energy?

Yes, shooting a gun involves the conversion of mechanical energy into kinetic energy when the trigger is pulled, causing the firing pin to strike the primer in the bullet cartridge, igniting the propellant, which then propels the bullet out of the barrel.


When you shoot a rubber-band what energy conversion has occurred?

When you shoot a rubber band, potential energy stored in the stretched rubber band is converted into kinetic energy as the rubber band moves through the air. The potential energy stored in the stretched rubber band comes from the work done to stretch it.


What is a comparison of the amount of energy before conversion with the amount of useful energy after conversion?

The amount of energy before conversion is typically higher than the amount of useful energy after conversion due to energy losses during the conversion process. These losses can occur in various forms, such as heat, sound, or light, reducing the efficiency of the conversion process. It is essential to minimize these losses to optimize energy efficiency.


Can you give me examples of energy conversion?

Energy eonversion or energy transfer is when you input energy and it come with different energy or more. This is very usefull for us!E.ga lamp you input electricity and output you get light and heat


The conversion of energy from one another form is called what?

The conversion of energy from one form to another is called energy transformation or energy conversion. During this process, energy is changed from one type, such as potential energy to kinetic energy or thermal energy to electrical energy.