The magnitude of the momentum of a runner is 346.5 kg•m/s. if the runner has a speed of 4.5 m/s, what is his mass? a. 73 kg b. 77 kg c. 88 kg d. 82 kg

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