victoriabudgen victoriabudgen

06-10-2019
Physics

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An electric car is being driven through a town at 22 m/s. The kinetic energy of the car is 222640j. Calculate the mass of the car

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sciguy101 sciguy101

06-10-2019

Answer:

920 kg

Explanation:

You can figure this out using the equation for kinetic energy:

Given:

KE = 222640

v = 22

m = ?

[tex]KE = 0.5mv^2\\222640 = 0.5m(22^2)\\222640=242m\\m=920[/tex]

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