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Heat is a waste energy from cars- from the engines and from the brakes.

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8y ago

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Why is electrical energy wasted in cars?

google it my brother


How do you conserve and use geothermal energy properly?

no, because we all waste geothermal energy by driving cars then all that energy is wasted.


What type energy produced energy for cars?

They can be electrical, diesel or gasoline


Do cars use energy?

Yes. A car converts the chemical energy in gasoline to kinetic energy of motion.More than 65% of the energy in the gasoline is wasted, and never becomes kinetic energy.


What describes increasing the efficiency of an energy resouce?

Increasing the efficiency of an energy resource involves reducing the amount of energy wasted during its conversion or utilization. This can be achieved through technological advancements, improved processes, and better maintenance practices. By maximizing efficiency, more energy can be produced or consumed using the same amount of resources, resulting in cost savings and reduced environmental impact.


When friction is a problem?

Friction causes heat to be produced, which is an issue for space shuttles reentering the atmosphere, for example. It also slows things down, meaning they require more energy to continue traveling at the same speed, which is an issue for cars.


If two cars at different speeds crashed would there be more or less total energy than before?

If two cars at different speeds crash, the total energy would be the same before and after the crash, as energy is conserved. Some of the initial kinetic energy of the cars would be transferred into other forms of energy, such as sound, heat, and deformation of the cars.


Why do we need another form of energy for cars?

Carbon monoxide usage is accelerating the rate of global warming; other forms of energy are "cleaner".


What are examples of dissipated energy?

One example of dissipated energy is when using a light bulb. This is when elctrical energy is converted to light and heat energy. However, the only useful energy here is light energy as light bulbs do not need heat to function. Therefore, when you touch a light bulb it is hot and this is the dissipated energy as it is wasted and not needed.The energy dissipated is heat. In any example of transferring energy there is always dissipated energy and other examples are when cars are used. The energy is converted to kinetic energy but is also converted to sound energy which, in this example, is the dissipated enrgy.


Why is a lot of the energy from gasoline wasted in a car's engine?

A lot of fuel is used to idle the car when stationary. The bigger the engine the more waste. Engines have specific speeds when they are most efficient, when not running at that speed some fuel is wasted. The energy to the wheels compared to the energy in the fuel is about 33%. Engines with turbo chargers use less fuel when stationary while still have the power available when needed. Hybrid cars can avoid some of the waste. Cars with stop start engines when the car is stationary save fuel. Electric cars has best efficiency from power in to power on the road.


What happens to the wasted thermal energy in a car?

The wasted thermal energy in a car is primarily dissipated as heat through the exhaust system, radiator, and engine components. It is released into the surrounding environment, contributing to overall heat pollution. Some modern cars also utilize technologies like regenerative braking to recapture and convert a portion of this waste heat back into useful energy.


How can hybrid cars help the environment if the energy needed to charge them is produced at coal fired electric generating facilities?

Hybrid cars do not release extra hydrocarbons. They do not deplete ozone.