For the following circuit, assume the diodes are identical and ideal. let v1 = 12v, v2 = 3v, r1 = 6kω and r2 = 6kω. assume that the diode voltages and currents follow the standard convention on polarity and direction. solve for id1. give the answer in units of ma but omit units.

Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d