Auniform magnetic field is in the positive z direction. a positively charged particle is moving in the positive x direction through the field. the net force on the particle can be made zero by applying an electric field in what direction? a. positive y b. negative y c. positive x d. negative x e. positive z

What are the theoretical properties of a gas at a temperature of 0 kelvin?

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?