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Related Concept Videos

Energy and Power of a Wave00:58

Energy and Power of a Wave

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The total energy associated with a wavelength is the sum of the potential energy and the kinetic energy. The average rate of energy transfer associated with a wave is called its power, which is total energy divided by the time it takes to transfer the energy. For a sinusoidal wave, energy and power are proportional to the square of both the amplitude and the angular frequency.
Waves can also be concentrated or spread out, as characterized by the intensity of the wave. Intensity is directly...
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Kinetic and Potential Energy of a Wave01:10

Kinetic and Potential Energy of a Wave

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All forms of waves carry energy; this is directly visualized in nature. For instance, the waves of earthquakes are so intense that they can shake huge concrete buildings, causing them to fall. Loud sounds can damage nerve cells in the inner ear, causing permanent hearing loss. The waves of the oceans can erode beaches. 
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Wave Parameters01:10

Wave Parameters

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The simplest mechanical waves are associated with simple harmonic motion and repeat themselves for several cycles. These simple harmonic waves can be modeled using a combination of sine and cosine functions. Consider a simplified surface water wave that moves across the water's surface. Unlike complex ocean waves, in surface water waves, water moves vertically, oscillating up and down, whereas the disturbance of the wave moves horizontally through the medium. If a seagull is floating on the...
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Propagation of Waves01:07

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When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
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Standing Waves01:17

Standing Waves

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Sometimes waves do not seem to move; rather, they just vibrate in place. Unmoving waves can be seen on the surface of a glass of milk kept in a refrigerator, which is one example of standing waves. Vibrations from the refrigerator motor create waves on the milk that oscillate up and down but do not seem to move across the surface. These waves are formed or created by the superposition of two or more identical moving waves in opposite directions. The waves move through each other, with their...
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Reflection of Waves01:07

Reflection of Waves

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When a wave travels from one medium to another, it gets reflected at the boundary of the second medium. A common example of this is when a person yells at a distance from a cliff and hears the echo of their voice. The sound waves (longitudinal waves) traveling in the air are reflected from the bounding cliff. Similarly, flipping one end of a string whose other end is tied to a wall causes a pulse (transverse wave) to travel through the string, which gets reflected upon reaching the wall. In...
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Preparation and Evaluation of Hybrid Composites of Chemical Fuel and Multi-walled Carbon Nanotubes in the Study of Thermopower Waves
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Between the Waves: Building Power for a Public Option.

Jacob S Hacker1

  • 1Yale University.

Journal of Health Politics, Policy and Law
|January 25, 2021
PubMed
Summary
This summary is machine-generated.

Health reformers can advance a public health insurance option by implementing "building power through policy." This involves incremental ACA improvements, Medicare reforms, and grassroots movements to reshape the political landscape for long-term reform.

Keywords:
Medicarehealth care reformpublic option

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Area of Science:

  • Health policy
  • Political science
  • Public health

Background:

  • The Affordable Care Act (ACA) established a framework for health insurance reform.
  • A robust public health insurance option was a key proposal in Joe Biden's campaign plan.
  • Current political divisions in Washington, DC, present challenges to enacting ambitious health reforms.

Purpose of the Study:

  • To outline a strategy for health reformers to pursue a public health insurance option despite political challenges.
  • To identify actionable steps that can build political power for long-term health reform goals.
  • To propose a phased approach to achieving a comprehensive public option.

Main Methods:

  • The study proposes a "building power through policy" strategy.
  • It suggests leveraging near-term policy changes to reshape the long-term political landscape.
  • Three specific interim steps are outlined: ACA improvements, Medicare/state plan development, and movement building.

Main Results:

  • Incremental ACA improvements can be pursued without hindering a future public option.
  • Developing public option foundations within Medicare and encouraging state-level experimentation are feasible interim steps.
  • Strengthening grassroots movements is crucial for advancing fundamental health reform.

Conclusions:

  • A robust public option is currently unachievable but can be pursued through a strategic, phased approach.
  • The proposed "building power through policy" strategy offers a viable path to overcome political obstacles.
  • Advocates should focus on tangible, incremental changes that build momentum for comprehensive health reform.