Atrain is moving 35 m/s to the east it speeds up to 42 m/s east over the course of 40 seconds what was the trains acceleration

0.175 m/s east -apex
hope this helps

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It won't lose or gain electrons if it's a covalent bond it shares the electrons with another atom or atoms. if it is an ionic bond it will lose the 3 electrons on the outer shell and become a positively charged ion.  credit goes to @sunshinebaby of answers.yahoo.com.