Lucy kicks a shuttlecock into the air from a height of 0.6 feet
with an initial vertical velocity of 16 feet per second. Use the
vertical motion model, h = -16t2 + vt + s, where v is the
initial velocity in feet per second and s is the initial height in
feet, to calculate the maximum height of the shuttlecock.
Round your answer to the nearest tenth if necessary.
Maximum height: ___feet

4.6 feet

Step-by-step explanation:

The equation is:

Where

v is initial velocity (given as 16)

s is initial height (given as 0.6)

Substituting, we can write:

This is a quadratic equation of the general form:  

Which we can conclude the coefficients to be:

a = -16

b = 16

c = 0.6

The max height occurs at the value:  

So, max height occurs at:

We will get the max height if we put  t = 0.5  into the original equation. So that would be:

Max Height = 4.6 feet   (occurs at t = 0.5 seconds)

4

step-by-step explanation:

answer: for each 3 girls there is 2 boys . 3: 2

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