Science & Mathematics - 14 December 2007

minimum frequency for flyback transformer to work?

2007-12-14 00:13:21 · 5 answers · asked by kendrickcbk 2 in Physics

I do design technology and I cant seem to find the measurements for the average human hand. I need to know as I need to make a handle that is comfotable for people to hold.

thanks

2007-12-14 00:09:14 · 2 answers · asked by Anonymous in Biology

i have never seen a meteor and was looking up into the sky all night last night. On the web, it was said to be very spectacular and you could see it in the suburbs even with lots of night pollution. Why didn't i see it?
i live in Williamstown Melbourne Victoria Australia.

2007-12-14 00:05:56 · 10 answers · asked by Mojo M 1 in Astronomy & Space

And Why?


one paragraph pls.. tnx!

2007-12-14 00:05:13 · 7 answers · asked by Anonymous in Biology

1.The daily rise and fall of Earth's water on its coastlines are called ___________ .
2.What is the differende between high tides and low tides?
3.At whick two points are tidal bugles occurring when Earth and the moon are in the possitons
o(moon)
there should be a diagnol line connecting them


O(earth)
4.Explainwhy a tidal bugle occurs on the side of Earth opposite the moon.
5.Circle the letter of each sentence that is true about high tides
a.they usually occur twice a day
b.they occur later in the west
c.they occur six hours apart
d.they occur more often than low tides
6.Is the following sentende true or false? High tides usually oddur about twelve and a half hours apart.
7.What factors affedt the height of the tide in any particular location?
8.Is the following sentende true or false?The sun's gravity affedts Earth's tides.

2007-12-14 00:03:56 · 2 answers · asked by Anonymous in Earth Sciences & Geology