Physics, 22.02.2021 14:00 user1234536
Describe how different energy stores are changed by the boiler.
[3 marks]
Answers: 2
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A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
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Physics, 22.06.2019 05:30
Suppose you have three polarizing filters, with the second at an angle of 42โ to the first and the third at an angle of 90โ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
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Physics, 22.06.2019 10:00
Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.
Answers: 1
Describe how different energy stores are changed by the boiler.
[3 marks]...
[3 marks]...
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