Un rotor de 300 espiras, con área trasversal de la espira de 0,4 m2 gira dentro de un campo magnético constante de 0,3 T con una velocidad angular de 30pi
rad/s. Sabiendo que al instante t = 0 el vector S forma un ángulo de 60º,
calcule la Fuerza electromotriz inducida en la espira.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3