A conductor carrying a current I = 14.6 A is directed along the positive x axis and perpendicular to a uniform magnetic field. A magnetic force per unit length of 0.119 N/m acts on the conductor in the negative y direction.

(a) Determine the magnitude of the magnetic field in the region through which the current passes. T
(b) Determine the direction of the magnetic field in the region through which the current passes.+x direction −x direction +y direction −y direction +z direction −z direction

Two red blood cells each have a mass of 9.0 multiply.gif 10-14 kg and carry a negative charge spread uniformly over their surfaces. the repulsion arising from the excess charge prevents the cells from clumping together. one cell carries −2.50 pc of charge and the other −3.10 pc, and each cell can be modeled as a sphere 7.5 μm in diameter. (a) what speed would they need when very far away from each other to get close enough to just touch? assume that there is no viscous drag from any of the surrounding liquid. answer is: 321 m/s how do i find this (b) what is the maximum acceleration of the cells in part (a)? answer is: 1.38e+10 m/s2 how did they find this answer

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?