Science & Mathematics - 9 January 2007

need to show work

2007-01-09 10:44:23 · 12 answers · asked by Latinballa 1 in Mathematics

atomic number for Osmium

2007-01-09 10:44:11 · 2 answers · asked by dirt_bike_ride 1 in Chemistry

2007-01-09 10:43:39 · 2 answers · asked by water yu 3 in Physics

2007-01-09 10:43:15 · 8 answers · asked by ashley f 1 in Mathematics

2007-01-09 10:42:10 · 7 answers · asked by ashley f 1 in Mathematics

2007-01-09 10:41:02 · 5 answers · asked by Anonymous in Mathematics

The formula is H= -Plog(P) The log is to base 2, not 10.

I have an answer but do not know how it is calculated.

P=0.39 which gives H=0.53

can someone tell me how this is?

2007-01-09 10:40:45 · 3 answers · asked by crip_pler2003 2 in Mathematics

2007-01-09 10:40:34 · 16 answers · asked by ashley f 1 in Mathematics

give me as much info as you can on Issac Newton as you can.

2007-01-09 10:40:28 · 3 answers · asked by SPFN9 2 in Physics

2007-01-09 10:40:10 · 1 answers · asked by Whitey 1 in Earth Sciences & Geology

2007-01-09 10:39:44 · 3 answers · asked by bubbless221 2 in Physics

(3y^3)(2y^2)^2 / (y^4)^3 X (y^3)^o

2007-01-09 10:39:04 · 4 answers · asked by Anonymous in Mathematics

2007-01-09 10:38:45 · 3 answers · asked by Ollenjay44 1 in Weather

the efficiency of a lift is 72.5%. what is the work needed to raise a 2.00*10^2 kg mass 5.65 m?

2007-01-09 10:38:32 · 3 answers · asked by lincolngomes301 2 in Physics

about fossels and sequence of events

2007-01-09 10:38:20 · 2 answers · asked by deadman 4 life 2 in Earth Sciences & Geology

2007-01-09 10:37:36 · 5 answers · asked by ashley f 1 in Mathematics

The length of one of the equal legs of an isosceles triangle is 8 cm less than 4 times the length of the base. If the perimter is 29cm, find the length of one of the equal legs.

I know this is probably a A=1/2b * h, but it is not clicking on how to set up the variables for this? Help please!!

2007-01-09 10:35:36 · 8 answers · asked by bill_scott_2004 1 in Mathematics

a lawnroller is rolled across a lawn by a force of 115 N along the direction of the handle. the handle makes an angle of 22.5*(that star means degree, i couldn't find any degree sign on my keyboard) with respect to the horizontal. if the person exerts 64.6 watts of power for 90.0 seconds, what is the distance the lawnroller travels?

2007-01-09 10:35:18 · 1 answers · asked by lincolngomes301 2 in Physics

2007-01-09 10:34:28 · 9 answers · asked by Anonymous in Mathematics

2007-01-09 10:33:34 · 3 answers · asked by Jesse M 1 in Mathematics

what is the name of this polyatomic ion?

2007-01-09 10:33:33 · 1 answers · asked by xocharliexo121 2 in Chemistry

wave impulse signature of color..

2007-01-09 10:31:56 · 7 answers · asked by aguces4 1 in Chemistry

SAY ONE PARENT IS 100% ITALIAN AND THE OTHER IS 100% IRISH, AND THEY HAVE TWO CHILDREN. CHILD 'A' LOOKS MORE "ITALIAN' THAN THE CHILD 'B', DOES THAT MEAN THAT CHILD 'A' HAS MORE ITALIAN GENES THAN CHILD 'B' , OR IS THAT JUST THE VISUAL CHARACTERISTICS THEY HAPPEN TO INHERIT? BASICALLY, IS CHILD 'A' MORE ITALIAN THAN IRISH?

2007-01-09 10:31:41 · 8 answers · asked by Anonymous in Biology

it?
I was ill and coud not attend my class.My deadlines are coming near pliz help me as soon as possible
I have to workout an overall formula to find the hidden faces of a cube

2007-01-09 10:31:07 · 1 answers · asked by Krishna 1 in Mathematics

you mighy need to talik to Toucan Sam.

2007-01-09 10:31:02 · 7 answers · asked by MAN 3 in Zoology

2007-01-09 10:30:58 · 2 answers · asked by Anonymous in Other - Science

2007-01-09 10:30:04 · 13 answers · asked by Alison 1 in Earth Sciences & Geology

2007-01-09 10:26:34 · 3 answers · asked by Anonymous in Chemistry

me and my dad like to make stuff or do something every weekend, like one weekend we made potato guns (legal in my state), another we went snowboarding, this weekend he wants to do something with air compression. what do you think we could build? we have an air compresser that goes up to 250 PSI and lots of high pressure rated pvc pipe.

2007-01-09 10:26:05 · 7 answers · asked by Anonymous in Engineering

2007-01-09 10:24:01 · 3 answers · asked by Zerro 2 in Mathematics