In math problems where I have to calculate the amount of substance, for example, the teacher tells me we should also do this ratio. For example, aluminum sulfate is a ratio of two to three. But I don't understand what that's for. So why do I have to calculate it? What's the point?
I got orange juice in my eye while peeling an orange. Is this harmful? Should I rinse my eyes, or is the acid not strong enough?
A spring is 16cm long when a mass of 12g hangs from it. It is 12cm long with a mass of 4g hanging from it. What work is done when the spring is stretched from its rest position by a 6g mass?
I have a formula with a double fraction. I want to simplify it. What is the best way to proceed?
Why are there two different voltages at two points here? I thought there was only one specific potential at two points, and the voltage was the difference between those points. And how do you connect a voltage source? Do you have to put two different potentials somewhere? How do you do that? And where are…
Hello, can someone tell me how to calculate it and get step by step to 4 root of 8
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At the last step I took the amount as it was minus 🙃. Thanks for tipping off the air pressure. Then it could go. Thank you
If you get a non-physical result, you should comment rather than simply change something without any sense in the hope that it could fit.