- #1

- 8

- 0

## Homework Statement

In which case car engine must do more work: To start driving from 0 kmph until car reaches 27 kmph or to reach 54 kmph from 27 kmph? Force of resistance in both cases are equal.

I need to base answer of this problem on formulas. I apologize for any grammar mistakes (i'm not native english speaker).

## Homework Equations

NA

## The Attempt at a Solution

V

_{0}= 0 kmph

27 kmph = 7,5 mps

54 kmph = 15 mps[/B]