.15 ÷ 180
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I dont know of you wanted the graph too so here
everything is in the pictures here, also sorry if I am wrong
If h is m above the ocean and your trying to find when the rocket reaches that ocean… as the function gives the height above the ocean at a given time, when the height equals 0 the rocket will have reached the ocean so solve for t when h=0. working out in the photo. i got t=48.88seconds
