A flare was launched straight up from the ground with an initial velocity of 176ft/s and returned to the ground after 11 s.
1 answer:
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Answer:
9
Step-by-step explanation:
Using the rule of radicals
×
⇔
Simplify the radicals
=
= ×
= 2
=
= ×
= 3
Then
3 +
= 3(2 ) + 3
= 6 + 3
= 9