Chemisty
The average human body has 1.4x10^2 g of total K within it. Calculate the activity in disintegration/year of the potassium-40 in the average human body using your value of t1/2 (or K) of this substance
calculus
find a vector equation of the line, which passes through the point (1,3,11) and is perpendicular to the yz-plane
biology
what are the advantages for using nanotechnology?
biology
how can nanobots be used to fight the common cold?
Calculus
if vector a is parallel to vector b, but in the opposite direction, express the magnitude of a+b in terms of magnitudes of vectors a and b
Calculus
hah im trully very SORRY, ok now i double checked.. so everything should be right .... u, v, w are UNIT VECTORS. the angle between u and v is 25 degrees and the angle between vector v and w is 35 degrees. find (u+w-3v). NOTE: vector u and w are on opposite sides of vector v.
Calculus
SORRY, i wrote this question wrong before ... u, v, w are UNIT VECTORS. the angle between u and v is 25 degrees and the angle between vector v and w is 35 degrees. find (v+w-3v). NOTE: vector u and w are on opposite sides of vector v.
Calculus
u, v, w are UNIT VECTORS. the angle between vector v and w is 35 degrees. find (v+w-3v). NOTE: vector u and w are on opposite sides of vector v.
calculus
when does vector (a+b) = (a-b) mean? explain
second grade
don't listen to bill. he is in high school.
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