A person falls off of a 2,000 foot building at a rate of 150 ft. per second. Superman leaves the ground, flying towards the person at a rate of 250 ft. per second. How many seconds before the person is caught? What height Where they at?

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days