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The energy required to increase the speed of a certain car from 17 m/s to 23...

The energy required to increase the speed of a certain car from 17 m/s to 23 m/s is 190 kJ.

a. What is the mass of the car?

b. At what speed is the car’s kinetic energy equal to 190 kJ?

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Answer #1

Then , given data is

V1= 17 m/s, V2 = 23m/s

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