document.write( "Question 1017546: Hi, I am having trouble working out this question, help would be much appreciated. \r
\n" ); document.write( "\n" ); document.write( "An electrically charged particle generates an electric field around it. The strength, E, of the electric field (in NC^-1) is directly proportional to the size of the charge of the particle, Q (in Coulombs, C), and inversely proportional to the square of the distance from it, d in metres. \r
\n" ); document.write( "\n" ); document.write( "(i). Set up the proportionality relationship
\n" ); document.write( "This is what I think the formula is but not sure if it is correct? \r
\n" ); document.write( "\n" ); document.write( "E (NC^-1)= k * (Q/D^2) \r
\n" ); document.write( "\n" ); document.write( "And then theirs question (ii) \r
\n" ); document.write( "\n" ); document.write( "(ii). Find the constant of proportionality if the electric field strength 3.00 cm from a 3.5 uC charge is 3.5 x 10^7 NC^-1 \r
\n" ); document.write( "\n" ); document.write( "This is what I've worked out so far not sure if it is correct though? \r
\n" ); document.write( "\n" ); document.write( "3.5 * 10^7 = K * Q/(0.03)^2
\n" ); document.write( "3.5 * 10^7 = K * Q/(0.09)
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Algebra.Com's Answer #633811 by ikleyn(52788)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "Hi, I am having trouble working out this question, help would be much appreciated. \r
\n" ); document.write( "\n" ); document.write( "An electrically charged particle generates an electric field around it. The strength, E, of the electric field (in NC^-1)
\n" ); document.write( "is directly proportional to the size of the charge of the particle, Q (in Coulombs, C),
\n" ); document.write( "and inversely proportional to the square of the distance from it, d in metres. \r
\n" ); document.write( "\n" ); document.write( "(i). Set up the proportionality relationship
\n" ); document.write( "This is what I think the formula is but not sure if it is correct? \r
\n" ); document.write( "\n" ); document.write( "E (NC^-1)= k * (Q/D^2) \r
\n" ); document.write( "\n" ); document.write( "And then theirs question (ii) \r
\n" ); document.write( "\n" ); document.write( "(ii). Find the constant of proportionality if the electric field strength 3.00 cm from a 3.5 uC charge is 3.5 x 10^7 NC^-1 \r
\n" ); document.write( "\n" ); document.write( "This is what I've worked out so far not sure if it is correct though? \r
\n" ); document.write( "\n" ); document.write( "3.5 * 10^7 = K * Q/(0.03)^2
\n" ); document.write( "3.5 * 10^7 = K * Q/(0.09)
\n" ); document.write( "--------------------------------------------------\r
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\r\n" );
document.write( "Hi, I am having trouble working out this question, help would be much appreciated. \r\n" );
document.write( "\r\n" );
document.write( "An electrically charged particle generates an electric field around it. The strength, E, of the electric field (in NC^-1) \r\n" );
document.write( "is directly proportional to the size of the charge of the particle, Q (in Coulombs, C), \r\n" );
document.write( "and inversely proportional to the square of the distance from it, d in metres. \r\n" );
document.write( "\r\n" );
document.write( "(i). Set up the proportionality relationship \r\n" );
document.write( "This is what I think the formula is but not sure if it is correct? \r\n" );
document.write( "\r\n" );
document.write( "E (NC^-1)= k * (Q/D^2)     <------ it is correct, but replace D by d\r\n" );
document.write( "\r\n" );
document.write( "And then theirs question (ii) \r\n" );
document.write( "\r\n" );
document.write( "(ii). Find the constant of proportionality if the electric field strength 3.00 cm from a 3.5 uC charge is 3.5 x 10^7 NC^-1 \r\n" );
document.write( "\r\n" );
document.write( "This is what I've worked out so far not sure if it is correct though? \r\n" );
document.write( "\r\n" );
document.write( "3.5 * 10^7 = K * Q/(0.03)^2\r\n" );
document.write( "3.5 * 10^7 = K * Q/(0.09)       <----- (0.03)^2 = 0.0009\r\n" );
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