A model rocket is launched from a raised platform at a speed of 192 feet per second. Its height in feet is given byh(t) = -16t2 + 192t + 20 (t = seconds after launch).After how many seconds does the object reach its maximum height?

for b its (t) and c its (d)

step-by-step explanation:

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse

the weight of the object inside the box!