Steam is often used as a central heating system when heating many buildings froma central location. So the correct option for the given question is option "D". Steam is actually generated ina single room or place mechanically or by useing fossil fuel or solar energy and then it is passed through pipelines to several rooms and buidings. This kind of system is mostly used when heating several rooms or building at once. Electric heaters are normally avoided as the cost of electricity is far higher than any other source of heating.
Answer:
The frequency of the piano string is <em>1059 Hz</em>.
Explanation:
The frequency beat (fb), 2 beats/second, is the absolute difference between the frequency of the tuning fork (1056 Hz) and the frequency of the piano string.
As the piano string gets tightened, the frequency beat becomes 3 beats/second.
Therefore,
fb = 
Answer:
50 T-shirt Design Ideas That Won't Wear Out - 99Designshttps://99designs.com › blog › creative-inspiration › t-s...
Whatever message your t-shirt needs to send, we've got 50 t-shirt design ... Illustrated chicken astronaut t-shirt ... of the challenges associated with a t-shirt for a business is getting people to wear it. ... shirt is a great way to create memorabilia that participants can look back on ... Graphic tees are what shirts were made for.
Explanation:
