ajpeter3236 ajpeter3236

23-11-2017
Mathematics

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An arrow is shot vertically upward from a platform 41ft41⁢ft high at a rate of 155ft/sec155⁢ft/sec. when will the arrow hit the ground? use the formula: h=−16t2+

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jorel1380 jorel1380

27-11-2017

h(t)=-16t²+155t+41
0=-16t²+155t+41
16t²-155t-41=0
Using the quadratic formula, we get a positive value for t of 9.94516294765 seconds as the time the arrow is in the air
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