Physics, 24.01.2021 17:00 mikelback419
What is the flow of energy from the falling water to the steam?
a) mechanical -> mechanical -> electrical -> thermal -> thermal
b) mechanical -> mechanical -> electrical -> light -> thermal
c) chemical -> mechanical -> electrical -> thermal -> thermal
d) mechanical -> chemical -> electrical -> thermal -> thermal
Answers: 1
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Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?
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How does an observation about an object differ from an inference about that object
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The diagram shows an example of convection. which label belongs on the arrow? a) warmer water sinks b) warmer water rises c) cooler water sinks d) cooler water rises
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Compared to a potassium atom a potassium ion has 1. a smaller radius 2. a larger radius 3. fewer protons 4. more protons
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What is the flow of energy from the falling water to the steam?
a) mechanical -> mechanical ->...
Computers and Technology, 06.11.2019 23:31