ACTIVIDAD 4.- RESUELVE LOS SIGUIENTES CASOS PORCENTAJE DE TAREA 11.1 %

1.- ¿Cuál es la frecuencia de una onda, si su periodo es de 0.00909

segundos?

2.- ¿Las Torres Petronas de Malasia miden 452 metros de altura, el

aire hace que estos edificios oscilen con una frecuencia

aproximada de 0.1 Hz ¿Cuál es el Periodo de esta vibración?

3.- El edificio Sears, Ubicado en Chicago, se mece con una

frecuencia aproximada a 0.10 Hz ¿Cuál es el periodo de la vidracion?
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A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.