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Explain the difference between total and average molecular kinetic energy of gas contained in a box?
Average Kinetic Energy is determined by the temperate of the gas. The higher the temperature, the higher the average kinetic energy of the gas molecules.Total Kinetic Energy is the average kinetic energy multiplied by the mass - the number of gas molecules in the box.- DENNIS LAM
When the match stick is struck against the match box it gets lit what energy is converted into light and heat?
The energy of mechanical work is converted into light and heat energy when a match stick is struck against a matchbox. Friction between the match head and the rough surface ignites the match head, producing light and heat as a result.
What kinda of energy is a box of matches?
A box of matches on a high shelf has gravitational potential energy.A box of matches falling from the high shelf has kinetic energy.A box of matches on fire has heat, sound and light energy.A box of matches on its own has chemical potential energy.
What happens to the potential energy in a jack-in-the-box when you release the lid?
When you release the lid of a jack-in-the-box, the stored potential energy in the spring is converted into kinetic energy as the spring unwinds and the box pops open. This kinetic energy is what causes the toy to pop up and the jack to spring out.
What type of force is striking a match against a match box?
Striking a match against a matchbox involves frictional force. This force is generated when the rough surface of the match head rubs against the striking surface of the matchbox, producing enough heat to ignite the chemicals in the match. The friction converts kinetic energy from the motion of striking into thermal energy, leading to combustion.
Does kinetic energy decreases as a box accelerates down an inclined plane?
Kinetic energy increases; potential energy decreases, because the object is now in motion
How can the work-energy theorem be utilized to determine the speed v of the box at the bottom of the incline?
The work-energy theorem states that the work done on an object is equal to the change in its kinetic energy. In the case of a box sliding down an incline, the work done by gravity is equal to the change in kinetic energy of the box. By calculating the work done by gravity and equating it to the change in kinetic energy, one can determine the speed of the box at the bottom of the incline.
What energy transformation happens when you lift a box from the floor to a shell?
Are you referring to the biological energy transformations involved in the body of a person actually lifting a box? Or are you referring to the act of imbuing an inanimate object with potential kinetic energy? If it is the latter; You are investing Potential Kinetic Energy in the box when you put it up on a shelf. If your body were 100% efficient, it should have expendeded as much energy in raising the box as the box then possesses. Because the box can fall, it will have the potential to transform its potential kinetic energy into actual kinetic energy, by virtue of its mass and velocity. It could do work, like falling on a lever which propelled a weight up a column and rang a bell on the top. If it is the former... I don't know.
How is a jack in a box a symbol of kinetic potential and machanical energy?
A jack-in-the-box is a symbol of kinetic potential and mechanical energy because it stores potential energy when the spring is wound up. When the lid is opened, the stored energy is released, causing the clown to pop out due to the conversion of potential energy to kinetic energy. This demonstrates the transfer of mechanical energy in a fun and interactive way.
The difference between total and average molecular kinetic energy of a gas contained in a box?
I just figured this out, so here it is:Average kinetic molecular energy is based on temp(in kelvin).Ek= (3/2)RT ; where R is a constant(.0821), and T is temp in kelvin.Total molecular kinetic energy is:uRMS=[(3RT)/M]^(1/2) R equals 8.314 J/mol; T=kelvin; M=kg/mol
What form of energy is being used when a heavy box is pushed across the floor?
The energy being used to push a heavy box across the floor is mechanical energy. The person pushing the box is converting their own muscular energy into kinetic energy to move the box.
What types of energy occur when a box is picked up and placed on a shelf?
When a box is picked up and placed on a shelf, the main types of energy involved are mechanical energy (kinetic energy when the box is being lifted and potential energy when it is placed on the shelf) and gravitational potential energy (due to its position in the Earth's gravitational field). Heat energy may also be generated due to friction between the box and the person picking it up or the shelf.
