A firefighter, 55.0 m away from a burning building, directs a stream of water from a fire hose at an angle of 25.0° above the horizontal, as in figure P4.20. If the speed of the stream is 30.0 m/s, at what height will the stream of water strike the building
Not dangerous, but worthwhile. It was a nozzle from a fire hose laying at an intersection. I recognized the identification and took it to the department. They had turned around in that intersection earlier in the day when heading home after an accident. I handed it to a firewoman friend of mine and she thanked me for picking it up, it was a $400 nozzle
Winter tires are quite costly, but they are well worth. If you do get winter tires, look for tires with a good tread (thickness of the rubber) also make sure that the warranty is good, quite often things go wrong with them. As far as the chains go, NO. BMW series is a pretty low car and if the chain is even a bit loose, it can badly damage the internal body work of the car. I have seen this happen many times before. But of course, it is probably useless to buy winter tires if you are not going to encounter snow.
