Discover Questions

A person stands at 305 m in front of the face of a sheer cliff. If the person shouts, how much time will elapse before an echo is heard? H(x) = −xf(x), where f is a function such that f′(x) = sin(1 − x^2) + √7. (Your answer might involve the function f.)? Sled w/ mass 10kg is pulled right by force of 1x102N the force of friction opposing the pull is 6x101 N Whats the acceleration of the sled? Why do elements only release certain colors of light and not a continuous spectra? What volume of 0.02 M EDTA solution, in mL, is needed to completely complex all of the Zn2+ in 25.00mL of the 0.8 M zinc solution?