Two point charges `q_1=q_2=2muC` are fixed at `x_1=+3 m` and `x_2=-3m` as shown in figure. A third particle of mass 1 g and charge `q_3=-4muC` are released from rest at `y=4.0m`.Find the speed of the particle as it reaches the origin.

A particle of mass 100 gm and charge 2muC is released from a distance of 50 cm from a fixed charge of 5muC . Find the speed of the particle when its distance from the fixed charge becomes 3 m.

An infinte wire having linear charge density lambda is arranged as shown in fig. A charge particle of mass m and charge q is released charged q is released from point P. Find the initial acceleration of the particle just after the particle is released.

A charged particle of mass m and charge q is released from rest in an electric field of constant magnitude E . The kinetic energy of the particle after time t is

Two circular rings A and B each of radius a = 30 cm are placed coaxially with their axis horizontal in a uniform electric field E = 10^(5) NC^(-1) directed vertically upward as shown in figure. Distance between centers of the rings A and B (C_A and C_B)is 40 cm . Ring A has positive charge q_A = 10muC and B has a negative charge q_B = -20muC . A particle of mass m and charge q = 10muC is released from rest at the center of ring A. If particle moves along C_AC_B, then Speed of particle when it reaches at center of B is

A long straight wire carries a charge with linear density lamda . A particle of mass m and a charge q is released at a distance r from the the wire. The speed of the particle as it crosses a point distance 2r is

A charged particle of mass m and charge q is released from rest the position (x_0,0) in a uniform electric field E_0hatj . The angular momentum of the particle about origin.

A uniformly charged sphere of charge Q and radius R is placed at some height from ground surface and sphere is fixed. Now a charged particle of mass m and charge q is released form rest just below to sphere what will be speed of particle after travelling Y-direction

Two point charges, each of mass m and charge q are released when they are at a distance d from each other. What is the speed of each charged particle when they are at a distance 2r ?

Two circular rings A and B each of radius a = 30 cm are placed coaxially with their axis horizontal in a uniform electric field E = 10^(5) NC^(-1) directed vertically upward as shown in figure. Distance between centers of the rings A and B (C_A and C_B)is 40 cm . Ring A has positive charge q_A = 10muC and B has a negative charge q_B = -20muC . A particle of mass m and charge q = 10muC is released from rest at the center of ring A. If particle moves along C_AC_B, then Work done by electric field, when particle moves from C_A to C_B is

A charge particle of mass m and charge q is released from rest in uniform electric field. Its graph between velocity (v) and distance travelled (x) will be :