Mathematics, 27.01.2021 15:30, nyahdrake

The power, P (watts), of a car engine is proportional to the square of its speed, s (m/s). When s=35, P=1580.
Work out the speed (to 1 DP) when the power is 1490 watts

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The power, P (watts), of a car engine is proportional to the square of its speed, s (m/s). When s=...