Suppose the magnetic field in a given region of space is parallel to the Earth's surface, points north, and has a magnitude of 1.80 10-4 T. A metal cable attached to a space station stretches radially outwards 2.50 km. Required:
a. Estimate the potential difference that develops between the ends of the cable if it's traveling eastward around Earth at 7.70 X 10^3
b. Which end of the cable is positive, the lower end or the upper end?

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal

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