Physics, 03.04.2021 09:50 carcon2019

How to test the pH level of a soap?

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Physics, 22.06.2019 04:30, tayveon122

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Physics, 22.06.2019 08:30, mikemurray115

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

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Physics, 22.06.2019 10:00, jeffffffff

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

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Physics, 22.06.2019 17:40, tylercapozzoli

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?