Answer:
Longitudinal waves
Explanation:
Tuning forks create sound waves and sound waves are longitudinal
Answer:
A. 49
Explanation:
It is always nice to draw a free body diagram to visualize what is going on. (Or that is what my physics teacher told me haha)
Since you are given F=mg, you can substitute your given values (g=-9.8 and m=0.5) to solve for force.
F = -9.8 x 0.5 = -4.9 N
Then substitute -4.9 N and your given displacement (x=0.1) into your given equation to solve for the spring constant (k).
-4.9=-k(0.1) = -4.9/0.1 = -49
-49 = -k, so -49/-1 = 49
k=49
This question is loaded with misleading, marginally meaningful phrases.
A 12V battery produces more current than a 1.5V battery produces,
through the same device, because the potential difference between
the terminals of the 12V battery is 8 times the potential difference
between the terminals of the 1.5V battery.
Of the choices offered, choice 'C' is the closest. But it should say
"electrical potential", NOT "potential energy".
Answer:
Percent by mass involves the weight in grams
While Percent by volume involves the weight in moles
Explanation:
Percent by mass (m/m) is the mass of solute divided by the total mass of the solution, multiplied by 100 %.
While Percent by volume (v/v) is the volume of solute divided by the total volume of the solution, multiplied by 100 %.
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