Physics

Question 4 of 10Which two options are reasons that electromagnetic waves are effective foruse in communication devices?A. The entire electromagnetic spectrum can be used.B. They can travel through matter and through space.C. Both gamma rays and X-rays can be used.D. They can carry information for long distances without wires.

2 weeks ago

When calculating speed, are you calculating the fastest speed, average speed, or slowest speed?

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As thermal energy is added to a sample of water, the potential energy of its molecules increases, and then the kinetic energy of its molecules increases. Which sections of the heating curve illustrate this process?

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What are 4 physical properties for the carrots

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The ______ length of a lens is the distance from the center of the lens toits principal focus.

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name one property you know about LIGHT. Explain.

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How does the mass of an object affect the outcome when an unbalanced force acts on it?if you can, can you also simplify it into simple terms that are easier to understand?

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how does displacement, acceleration, time, and velocity affect motion?

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What exactly occurs at the alveoli? Explain using blood vessels, diffusion, oxygen, and carbon dioxide in your answer (2-3 sentences)

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Which of the following is a common downside of net pens, one of the most common forms of aquaculture? -A - overcrowdingB - diseaseC - the use of antibioticsD - escapesAll of the above

2 weeks ago