Science & Mathematics - 4 January 2007

16+24h+9h square divided by 6h+8

2007-01-04 00:12:57 · 5 answers · asked by danci 1 in Mathematics

Any ideas opn how to do this?? please try to answer both questions.

A skater with a mass of 52.0 kg moving at 2.5m/s glides to a stop over a distance of 24meters. How much work did the friction of the ice do to bring the skater to a stop? How much work would the skater have to do to speed up to 2.5m/s again.

2007-01-04 00:11:45 · 1 answers · asked by Anonymous in Physics

I am wanting a telescope I live out in the country in florida but cannot go above $100.00

2007-01-04 00:10:22 · 6 answers · asked by sir_kaz2003 1 in Astronomy & Space

dont include the inventions that are invented upto now. think and post what would be the ultimate invention of this era before earth destroyed by some natural calamity or by atomic war. the humans of this era think that they are most smart from all pervious versions and cultures that were ever existed on earth. it is a question of science fiction, and your imaginations. do religion gives us any hint about it?

2007-01-04 00:09:24 · 8 answers · asked by Shak 3 in Other - Science

How many kilograms of brass containing 63% copper by weight must be melted with 1140 kg. of brass containing 72% copper to produce brass containing 67% copper.

2007-01-04 00:09:18 · 2 answers · asked by edison c d 4 in Engineering

2007-01-04 00:07:49 · 7 answers · asked by king of spain 3 in Physics

2007-01-04 00:02:05 · 8 answers · asked by Praveen Kumar 1 in Physics