# Work and Energy

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If the work required to speed a car up from 10 km/h to 20 km/h is 5.0 x 10^3 J, what would be the work required to increase the car's speed from 20 km/h to 30 km/h?

Â© BrainMass Inc. brainmass.com March 4, 2021, 6:13 pm ad1c9bdddfhttps://brainmass.com/physics/work/work-and-energy-35276

#### Solution Preview

Work required to be done =Increase in KE

KE = 1/2 ...

#### Solution Summary

The solution calculates the work required to increase the car's speed.

$2.49