1.Calcular la fem media inducida en una bobina de 200 espiras que tarda 2x10 -2 segundos en pasarentre los polos de un iman en forma de U desde un lugar donde el flujo magnético es de 5x10 -3 Wba otro en el que este vale 8x10 -3 Wb.

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue