Answer:
Step-by-step explanation:
y=k
60=k
=k6
k=60/6 =10
This is your equation
y=10
Put the numbers in
80=10
80/10=8 then you have to square this so
=64
x=64
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I think this is how you're supposed to do it
20,000/120 = 166.66666666666667 m/s