Member Since November 11, 2007

Recent Activity by eerrasmus

Asked: Why is the angular dimension of the moon so ...

Why is the angular dimension of the moon so close to the angular dimension of the sun (the moon covers almost perfectly the sun during eclipse)? Is there a theory for this or is it simply a co ...

Asked: Why hydrgen and oxgen make water instead of gas?

why hydrgen and oxgen make water instead of gas?

Asked: Physical science

1. why does nuclear radiation cause damage to living cells? 2. why is a critical mass important in some applications of nuclear fission?

Asked: Water pressure on an object

Dragging a 2 sq. inch item through the water behind a boat, what would the psi be on that item at each of 10 mph increment from 10 mph to 100 mph. (We know many factors will affect this (salinity ...

Asked: How does a leg hair monitor its own length?

How does a hair on a human leg "know" it has reached the right length, and stop growing?. What mechanism differentiates it from a scalp hair which continues to grow unless cut?

Asked: Define independant and dependant variable.

Define independant and dependant variable.

Asked: Shaking hands

In an informal situation, should I stand up when shaking someone hand?

Asked: Number theory

<1> Let a,b,m,n belongs to Z with m>0 and n|m. show that if a = b (mod m), then a = (b mod n). <2> Let a,b,m,n belongs to Z with m>0, n>0 and gcd (m,n) =1.show that if a = b (mod m ...

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