Chemistry, 19.11.2020 22:20 bayloann2621
Ms. Cristell, a seventh-grade teacher at OHVA, made the following statement, "Sound energy, also known as acoustic energy, is a type of mechanical energy." Why are sound waves considered a type of mechanical energy? Sound waves can travel through space Sound waves can travel through a solid Sounds waves are made by machines Sound waves transfer energy by the motion of particles
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Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?
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Electromagnets coils of wire paper clips picked up 10 3 15 6 20 9 25 12 ms. owens' class was studying magnets. ms. owens showed her students how to make an electromagnet using a nail, a d-cell battery, and plastic coated wire. the students wrapped the wire around the nail and then attached the ends to the battery. when they were finished, they tested their magnets by investigating how many paperclips their magnets could pick up. they also tested whether they could increase the strength of their electromagnets by using more coils of wire. they recorded the class average of their results in the data table seen here. ms. owens asked her students to graph their data in a line graph. how should the students label the x-axis on their line graph? a) size of battery b) number of paper clips c) number of coils of wire d) strength of electromagnet
Answers: 2
Ms. Cristell, a seventh-grade teacher at OHVA, made the following statement, "Sound energy, also kno...
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