mechanics- physics

An electron moving at a speed of 5 x 10 raise to power 6m/s was shot through a sheet of paper which is 2.1 x 10 raise to power 4cm thick. The electron emerges from the paper with a speed of 2 x 10 raise to power 6 m/s. Find the time taken by the electron to pass through the sheet.


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asked by precious
  1. Please avoid duplicate posts. You will not get your questions looked at any sooner that way.

    posted by drwls

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