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sweet [91]
4 years ago
11

Only about 36% of the energy from petrol is used to move a car. What happens to the rest of it?

Physics
1 answer:
Verdich [7]4 years ago
6 0
Hmm not sure that math is correct but we must remember that energy is never destroyed just transferred. E.g light energy is transferred into heat. So when looking at a car we have
1.friction energy. This is the car running alone the road and wind.
2. Kentic energy. This is the car moving.
3.heat energy. When petrol combust it produces heat energy.
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the work W done on the charge in terms of q, V, and/or I. is W =qV.

question was incomplete, the complete question is -  

Part A Focus on a single charge, q, passing through the resistor. Find the work W done on the charge by the electric field in the resistor. Express the work W done on the charge in terms of q, V, and/or I.

<h3>What is Work?</h3>

Transferring energy into an item to cause some displacement is what is referred to as work. The ability to perform tasks is referred to as energy. The work is consistently the same. Kinetic and potential energy are two examples of the various forms of energy.

Work done to move the charge across the potential difference is given as

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potential difference = V

so work done is given as

W =qV

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