Physics, 18.01.2020 01:31 hardwick744
Imagine you're in a completely dark room with no windows and you cut a 1-ft2 round hole in the roof. when the sun is high in the sky, about 100 w of solar power enters the hole. on the floor where the light hits, you place a beach ball covered with aluminum foil, with the shiny side out. discuss the illumination in your room compared with that of a 100-w incandescent lightbulb?
Answers: 3
Physics, 22.06.2019 09:20
Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers
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How would a small bar magnet be oriented when placed at position x?
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What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g
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Imagine you're in a completely dark room with no windows and you cut a 1-ft2 round hole in the roof....
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