a student did an expirement with two strips of polythene. she held the strips together at one end. she rubbed down one strip with a dry cloth. then she rubbed down the other strip with the dry cloth. still holding the top ends together. she help up the strips.

a) i) what movement would you expect to see ii) why do the strips move this way

Question

01-11-2022
Physics

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a student did an expirement with two strips of polythene. she held the strips together at one end. she rubbed down one strip with a dry cloth. then she rubbed down the other strip with the dry cloth. still holding the top ends together. she help up the strips.

a) i) what movement would you expect to see ii) why do the strips move this way

Sagot :

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