The Answer
According to the foremost American historian on Cuba, Louis A. Pérez, U.S. leaders throughout the 19thcentury had opposed Cuban independence, based in part on their desire to annex Cuba to the United States and in part on their belief that the mixed race Cuban population was incapable of running its own affairs.
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Answer:
Percent error = the absolute value of (actual value - expected value) / (expected value)
Percent error = (2.7-2.78)/(2.78)
Percent error = 0.029
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The net force on the bookcase in the direction of its motion is
∑ F = 65 N - F[friction] = (41 kg) (0.12 m/s²)
so that friction has a magnitude of
F[friction] = 65 N - (41 kg) (0.12 m/s²) = 60.08 N
The net force on the bookcase perpendicular to the surface is
∑ F = F[normal] - (41 kg) g = 0
so that
F[normal] = (41 kg) g = 401.8 N
If µ is the coefficient of kinetic friction, then
F[friction] = µ F[normal]
so that
µ = F[friction] / F[normal] = (60.08 N) / (401.8 N) ≈ 0.15
<u>PLEASE MARK BRAINLIST</u>Answer:
A.
Each of the girls sings the song well.
Explanation:
these are the correct versions of the other choices
Everybody likes to eat donuts for breakfast.
Anyone who thinks I can sing is crazy.
The dress is too small for Ginny.
