Explain why a wooden spoon a better choice then a metal spoon for stirring a boiling pot i soup

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k

What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?