In a laboratory experiment, John uses a mesh to separate soil particles from water. Which technique of separation is he using? Which quantity is a vector quantity?

A. chromatography
B. distillation
C. filtration
D. fragmentation
E. condensation

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i.e., a subspace of r 3 ). explain your reasoning

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

The solid that is formed and usually sinks to the bottom of a solution is the