Asked by Tammy
Killer whales at Sea Worl routinely jump 8 m above the water. What is their speed as they leave the water to achieve this?
I know that h=8m
v=?
Would I use h=h_0 + v_0t = 1/2 at^2
but the problem would be that I also don't know the time. I am confused about which equation best suits this question.
I know that h=8m
v=?
Would I use h=h_0 + v_0t = 1/2 at^2
but the problem would be that I also don't know the time. I am confused about which equation best suits this question.
Answers
Answered by
bobpursley
vf^2=vi^2+2gh
vf=0
vi= sqrt (2gh)
vf=0
vi= sqrt (2gh)
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