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Help mee ! Giving 40 pts !!

Help mee ! Giving 40 pts !!
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Help mee ! Giving 40 pts !!

Help mee ! Giving 40 pts !!-example-1
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User Norris Oduro
by
7.6k points

1 Answer

7 votes

Explanation:

When the ball strikes the ground

height = 0

So: 0 = - 4.9 t^2 + 9.31 t + 239.12

Now use the Quadratic Formula with

a = - 4.9 b = 9.31 c = 239.12

to find t = 8 seconds

answered
User Sconibulus
by
8.8k points
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