Help!! Will mark brainliest
NASA launches a rocket at t=0 seconds. It’s height, in meters above sea-level, as a function of time is given by h=-4.9t^2+313t+325
(a) assuming that the rocket will splash down into the ocean, at what time does splashdown occur? (Round answer to 2 decimal places)
The rocket splashes down after .... seconds
(b) how high above sea-level after seconds
The rocket peaks at .. meters above sea-level
