Question:
Which situation describes the best example of rotational motion?
A. Craig sent the pool ball spinning toward the side pocket.
B. The skater repeated the figure eight on the ice.
C. Sara spun the dreidel on its pointed end.
D. The mouse ran in circles around the mousetrap.
Answer :
C
Explanation:
It's C, because it is spinning. It can't be D because it's going in a circle, not spinning. it can't be A because it doesn't really make sense. It can't be B because the Skater is repeating, not rotating. So the only logical answer is C.
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The heat absorbed when 2.8 mol NH₄NO₃ is dissolved in water is 71.96 kJ.
<h3>What is heat?</h3>
Heat is the transportation of energy to or from a thermodynamic system.
By the formula of heat
Where n = moles
Delta Hrxn is molar heat
q = heat
Putting the values in the equation
Thus, the heat absorbed when 2.8 mol NH₄NO₃ is dissolved in water is 71.96 kJ.
Learn more about heat
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Answer :refers to gestures, facial expressions, tone of voice, eye contact (or lack thereof), body language, posture, and other ways people can communicate without using language.n move their heads less frequently (Schmidt). Furthermore, women are more inclined to express their emotion through their facial expressions and they smile more often.
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Answer:
They use ice cream maybe they would have a store at the iss.
Explanation:
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