En una placa rectangular que mide 1 cm de ancho por 2 cm de largo, existe una densidad de flujo magnético de 1.5 T. ¿Cuál es el flujo magnético total a
través de la placa en weber?

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?