x XG Two equally charged pa x Two Equally charged Fa x secure l edugenwiley us.c

Question

x XG Two equally charged pa x Two Equally charged Fa x secure l edugenwiley us.com/edugen/student/mainfr uni Two equally charged particles, held 2.9 10 m apart, are released from rest. The initial acomlaration of the firat particle is Ca) the to m/s and that of the second to 74 the mass of the rirst particke is 8.7 x 10 ko, what are mass of the second particle and (b) the magnitude of the charge oreach pa (a) Number (b) Number click if you would like to show work for this question: Question Attempts o of 1 used on

Explanation / Answer

Here , for the charged particles ,

accelerations are

a2 = 7.4 m/s^2

a1 = 9.2 m/s^2

m1 = 8.7 *10^-7 Kg

a) let the mass of second particle is m2

as magnitude of force on both particle will be same

m1 * a1 = m2 * a2

7.4 * m2 = 9.2 * 8.7 *10^-7

solving for m2

m2 = 1.08 * 10^-6 Kg

the mass of second particle is 1.08 * 10^-6 Kg

b) magnitude of charge on each particle is q

F = k * q^2/d^2 = m1 * a1

9 *10^9 * q^2/(2.9 *10^-3)^2 = 9.2 * 8.7 *10^-7

solving for q

q = 8.65 *10^-11 C

the magnitude of charge on particle is 8.65 *10^-11 C

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