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-Dominant- [34]
3 years ago
12

You drop a pencil out of window that is 20ft above the ground. Use the formula V^2=64s, where V is speed and s is the distance f

allen, to calculate the speed the pencil is traveling when it hits the ground.
Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
8 0
First you substitute in the values so you have
V^2=(64)20
then you just simplify it
V^2=1280
V=the square root of 1280
V= about 35.7770876
or
V=the square root of 256 times <span>the square root of 5
V=16 times </span><span>the square root of 5

also V would typically be called velocity. it's very similar to speed but it is just easier to remember because it starts with a V</span>
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