Amplitude is the maximum displacement-I.e. the distance from the peak of the wave to its middle (generally zero) Frequency is the number of oscillations (complete wavelengt â¦ hs) per second.
Roof leaks can be hard to find, since they often run down the underside of sheathing or rafters to show up far from their actual source. The best time to try and find a leak is when itâs raining outside, or you can also mimic rain conditions by spraying water on the roof.Go in the attic and look for damp spots or water stains, trace them back to their highest point, then examine that part of the roof for any potential problems.he best time to try and find a leak is when itâs raining outside, or you can also mimic rain conditions by spraying water on the roof. Go in the attic and look for damp spots or water stains, trace them back to their highest point, then examine that part of the roof for any potential problems.
A small leak caused the roof sheathing and rafters of this home to rot. Mold grew in the insulation as well. If you have water stains that extend across ceilings or run down walls, the cause is probably a roof leak.Tracking down the leak is the hard part; the fixes are usually pretty easy. Weâll show you some simple tricks for finding and repairing most of the common types of roof leaks.But if you live in the Snow Belt and in the winter you have leaks only on warm or sunny days, you probably have ice dams. small leak caused the roof sheathing and rafters of this home to rot. Mold grew in the insulation as well. If you have water stains that extend across ceilings or run down walls, the cause is probably a roof leak.