Se tiene un lazo rectangular de 5 cm por 8 cm en un campo magnético uniforme que varía en el tiempo según B = 0.40 + (0.15)t, con B en teslas y t en segundos. En el instante t = 2 seg., el voltaje inducido en el lazo es de .

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

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

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?