The answer is D. 6 . This is because it is a positive slope so you can cancel out B and C and then, you count your boxes
Answer:
a) 
b) 
Explanation:
From the question we are told that:
Velocity of eagle 
Frequency of eagle 
Velocity of Black bird 
Speed of sound 
a)
Generally the equation for Frequency is mathematically given by



b)
Generally the equation for Frequency is mathematically given by



Answer:
Inhibit the flow of electrons
Explanation:
An electric current usually consists of electrons moving through a wire.
An insulator prevents the flow of an electric current, so it inhibits the flow of electrons.
For the answer to the question above asking to d<span>etermine the density of the proton.
</span>Density is mass over volume.
The volume of a sphere is 4πr³/3. r is half the diameter.
So the density would be 2.3×10¹⁷ kg/m³.
I hope my answer helped you. Feel free to ask more questions. Have a nice day!
Answer:
rotation
Explanation:
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