jadalawler3
06.07.2019 •
Physics
Which of theses substances would be a poor conductor of electricity
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Ответ:
B. Water and sugar.
Explanation:
In the given options water and sugar would be the poor conductor of electricity. Other given options such as water and salt, water and Hcl and water and NaOH are better conductor of electricity because Hcl ,NaOH, salt (Nacl) can break into their ionic form whereas water and sugar will not.
Ответ:
111.6
Explanation: You would multiply the normal force of the block of ice which is the same number as the weight that was given (930N) , you multiply that by .12 to get the answer of 111.6 N as the force of friction.