2 (2). I cant get the same answer everytime I do this problem. please help. oaua

Question

2 (2). I cant get the same answer everytime I do this problem. please help.

oauance the weight of cctrO 2(2). A particle having a charge of 3.0 x 10-int in a uniform electric field. (a) what is the magn -2.0 x 10- coul is acted on by a downward electric force of itude of the electric field? (b) What are the magnitude and direction of the electric force exerted on a proton placed in this field? y has magnitude 2.2 nycou 13(4). Two equal and opposite charges of magnitüde 2.0'x 10-1 co deand d at force acus or the other

Explanation / Answer

relation betwee Force and the electric field is

                                                              F = E*q

given,

          electric force, F = 3*10^{-6} N and q = -2.0*10{-9} C

     a)           electric field , E = F/q = - 1.5*10^{3} N/C

   magnitude of electric field is 1.5*10{3} N/C

     b)       charge of a proton, q = 1.6*10{-19} C

                electric force on proton due to field E ( in (a) ) is

                                                                               F = E*q

                                                                                  = -1.5*10{3}*1.6*10{-19} = - 2.4*10^{-16} N

               the direction of electric force on proton is same/parallel to the direction of electric field

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