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Problem :This cat was in a 25ft in a roof I told him to drop my grease for my hair and I was 5.5ft tall how long would it take for it to hit my paws.
Formula: h=-16t2+s
Answer h=5.5
T=t
S=25 5.5=-16t2+25
-25 -25
-19.5 = -16t2
-16 -16
1.22 = t2
±1.1 = t
This alligator that lives in the 15 floor and I had left my backpack up there and I told him to drop it but instead he threw it at -5ft/sec. paws but it was too fast and hit the floor. How long would it take to hit the floor?????
H=0
V=-5
S=15
T=?????
0=-16t2+v+s
0=-16t2+-5+15=
A B C
X=-b±√b2-4(a)(c)
2(a)
X =5±√-52-4(-16)(15)
2(-16)
X= 5±√25-960
-32
X= 5±√-935
-32
X= 5+29.2 x = 5-29.2
-32 -32
T=-1.07 T= 0.76