Answer:
The possible frequency of guitar are 842 HZ and 892 HZ.
Explanation:
given the beat frequency =
= 25 HZ
we know that beat frequency = difference of frequencies of two instruments
therfore 25 = x-867 or 25 = 867-x
therefore x = 842 or 892
I'm pretty sure it's D. negative acceleration
No, aluminum has a density near 2.7 g/cm^3
<span>7.8 g/cm^3 is near the density of iron (or in the case of a fork, steel).
this is it
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B. a covalent bond because a covalent bond is when 2 atoms share either 1 or more than 1 pairs of electrons, and valence electrons are the type of electrons that are shared in a covalent bond.