Question
I need help with number 12 and 13
rogers (mdr3578) IIW 2 Chapter-21 Electrostaties erickson( 0.05 11 5x106 111/s 014 10.0 points Two identical small charged spheres hang in Pnd the magnitude of the acceleration o qilibrium with equal msstes us showni le in the electric ficld. Te the figure. The length of the strings are cqual n in the figure) with the mass of an clectron is 9.109 x 101 kg the fundamental charge is 1.602 x 10 C vertical is identical Answer in its of m/s 010 (part 2 of 3) 10.0 points Find the time it takes the electron to travel through the region of the electric field, assum- ing it doesn't hit the side walls. 3 0.02 kg Answer in units of s 0.02 kg 011 (part 3 of 3) 10.0 points Find the magnitude of the charge What is the magnitude of the vertical dis- cach sphere. The acceleration of gravi placement of the electron while it is in the 9.8 m/s2 and the value of Coulomb's con electric field? is 8.98755 x 109 N·m?/C2 Answer in units of C Answer in units of m 012 (part 1 of 2) 10.0 points 015 10.0 points A rod 16.9 cm long is uniformly charg Two point charges, 2.2 p and2.2 pC, has a total charge of-16.1 HC What is the dipole moment of this pair of along the axis of the rod at a point 26 Answer in units of C m are separated by 7 m. Find the magnitude of the elect from the center of the rod. The Coule stant is 8.98755 × 109 N·m2/C2 charges? Answer in units of N/C 013 (part 2 of 2) 10.0 points 016 10.0 points Sketch the pair of charges, ncluding the di rection of the dipole moment A circular arc has a uniform lin density of 5 nC/m. tq
Explanation / Answer
(12)
formula for dipole moment is,
P = qL
= 2.2* 10^-12 C( 7* 10^-6 m)
=15.4* 10^-18 C m
(13)
the direction of dipolemoment alway from negative charge to posisitve charge , so option (1) is correct answer
