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Jun12-05, 04:10 PM
P: 2,218
Quote Quote by bigman8424
awww, got you, it's coming together now, the new formula i got is:
y = 30 + 12sin(90)t +1/2(-9.8)t2

solve for t?
Yes that will give you the correct solution. Apply the quadratic formula, and remember to take the positive root.