Part A Is the charge on the silk positive, zero, ornegative? positive zero negat

Question

Part A Is the charge on the silk positive, zero, ornegative? positive zero negative Correct positive zero negative Correct positive zero negative Correct positive zero negative Correct positive zero negative Correct positive zero negative Correct positive zero negative Correct positive zero negative Correct positive zero negative Correct Part C What is the charge on the silk? Express your answerusing two significant figures. Part D How many electrons have been transferred tothe silk? Express your answerusing two significant figures. Part D How many electrons have been transferred tothe silk? Express your answerusing two significant figures. Part E How much mass has the glass rod gained orlost? Express your answerusing two significant figures Part E How much mass has the glass rod gained orlost? Express your answerusing two significant figures positive zero negative Correct

Explanation / Answer

(a). the charge on the silk is negative (b). given charge q = +1.2×109 C Charge on silk =-1.2×109 C (c).No.of electrons transferred n = (-1.2*10^-9C ) / (1.6*10^-19C )                                                  = 0.75 * 10 ^ 10 (d). Mass lost by glass rod = 0.75*10^10 * mass ofelectron                                        = 0.75*10^10 * 9.11*10^-31 kg                                         =6.8325*10^-21 kg

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