The power, P (watts) , of a car engine is proportional to the square of its speed, s ( m / s ) . When s = 30 , P = 1500 . Work out the speed (to 1 DP) when the power is 1715 watts - QAmmunity.org

The power, P (watts) , of a car engine is proportional to the square of its speed, s ( m / s ) . When s = 30 , P = 1500 . Work out the speed (to 1 DP) when the power is 1715 watts

asked May 13, 2021 120k views

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