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BeeShyanne
30.08.2019 •
Mathematics
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 fallen, to calculate the speed the pencil is traveling when it hits the ground.
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Ответ:
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 the square root of 5
V=16 times 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
Ответ:
a. (4+3)² ÷ (10-3)
Step-by-step explanation:
Because 4+3 is 7 then to the second power is 49 divide that by 7 which gives you 7.