Find the equation of a straight line that is perpendicular to \(y = 2x + 1\). The gradient of \(y = 2x + 1\) is 2. The reciprocal of 2 is \(\frac{1}{2}\), so the negative reciprocal of 2 is ...

Straight-line winds can be just dangerous as tornadoes. But how does the National Weather service what’s straight wind damage ...