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yKpoI14uk [10]
3 years ago
7

darrel noticed that his finger felt warmer in the ice water then did his left finger which of the following does the experiment

show
Physics
2 answers:
xz_007 [3.2K]3 years ago
8 0
Air is a good insulator of heat!
Kay [80]3 years ago
7 0

The answer would be B>

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Briefly explain how a resonance tube works​
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4 0
2 years ago
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Envision holding the end of a ruler with one hand and deforming it with the other. When you let go, you can see the oscillations
lapo4ka [179]

Answer: To increase the rigidity of the system you could hold the ruler at its midpoint so that the part of the ruler that oscillates is half as long as in the original experiment.

Explanation:

When a rule is displaced from its vertical position, it oscillates back and forth because of the restoring force opposing the displacement. That is, when the rule is on the left there is a force to the right.

By holding a ruler with one hand and deforming it with the other a force is generated in the opposite direction which is known as the restoring force. The restoring force causes the ruler to move back toward its stable equilibrium position, where the net force on it is zero. The momentum gained causes the ruler to move to the right leading to opposite deformation. This moves the ruler again to the left. The whole process is repeated until dissipative forces reduce the motion causing the ruler to come to rest.

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5 0
3 years ago
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