Asked by Avery
Veronica hits a volleyball from a height of 0.4 m and gives it an initial velocity of 5.2 m/s straight up.
a) How high, above the ground, will the volleyball go
b) How long will it take the ball to reach its maximum height?
a) How high, above the ground, will the volleyball go
b) How long will it take the ball to reach its maximum height?
Answers
Answered by
bobpursley
At the top, v=0
vf=vi+at
0=5.2-9.8t
solve for t.
Now, at that time
hf=hi+vi*t-4.9t^2
hf=.4+5.2t-4.9t^2 put t in, and solve for final height hf
vf=vi+at
0=5.2-9.8t
solve for t.
Now, at that time
hf=hi+vi*t-4.9t^2
hf=.4+5.2t-4.9t^2 put t in, and solve for final height hf
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