A car is moving straight down a highway. what factor has the greatest influence on how much work must be done on the car to bring it to a complete stop?

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asked Dec 10, 2018 181k views

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Peter Rowell · Answer 1 · 2018-12-16T02:29:16+0000

The work required to stop the car is equal to the amount of kinetic energy that the car currently has. This is given by E=(1/2)mv^2. Since the energy is proportional to the square of the velocity, that factor will have the greatest influence on the work required to stop it.

A car is moving straight down a highway. what factor has the greatest influence on how much work must be done on the car to bring it to a complete stop?

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