vascop Member Profile in The AnswerBank

Light speed ...fact or theory

Has a practical experiment ever been carried out to prove that nothing travels faster than light or is it all mathamatical theory? Thinking of it, what kind of experiment could be tried?

kopend

did a meteor the size of a football pitch hit the earth in the last few years p.s nothing to do with the above but is it really true - that you can fit the population of the world - 10 times over - in...

cpfc

Magnets

What things can a magnet push away please

mollykins

functions of equations

if you only know a and b and what f(x) equals, how do you work out what x is?

Bhowdy44

Another Geosystems Inquiry, Help Greatly Appreciated

"In flying in cloudy conditions, the instrumentation tells me that the clouds extend up too high to get above and down too low to safely get below. The ice buildup on the wings is beginning to...

ludwig

Why is Pi wrong?

It should be exactly 3 but it's slightly out. How did that happen? Could there be somewhere else in the universe where it is 3?...

Bhowdy44

Help in Answering a geosystems question - please

" on her birthday, which happens to fall on september 21st, amelia is flying due east. as the sun rises and begins to bathe her elegant craft in golden light, the radio crackles and an announcer...

mollykins

completing the square

I can do some of them, but on mymaths, there are questions that involve ending up with fractions, but we haven't ben taught how to do these, and the online tutorial doesn't include any that do . . . ....

blackeyed

jupiter

Why does jupiter has a high gravity?

moloi

topology

show that 2^1/2 is irrational numbre

moloi

topology

show that {o}U{1/n|nεN} is totally bounded

moloi

topology

show that (N,R(N) is not compact

moloi

topology

show that a finite T is discrete

Explorer-8

calculating percentages

Is there a general formula for calculating the answer to a question like this one? If an item has been bought for £500 after a reduction of 60% on the original price, what was the original...