SOLUTION: The power, P(watts) of a car engine is proportional to the square of its speed, s(m/s).
When s=15, P=2100
.
Work out the speed (to 1 DP) when the power is
2200 watts
Algebra.Com
Question 1174221: The power, P(watts) of a car engine is proportional to the square of its speed, s(m/s).
When s=15, P=2100
.
Work out the speed (to 1 DP) when the power is
2200 watts
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
-------------The first sentence.
The next data gives you the information to find the constant, k.
Use that to answer the question.
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