The path of a satellite orbiting the earth causes the satellite to pass directly over two tracking stations a and b, which are 55 mi apart. when the satellite is on one side of the two stations, the angles of elevation at a and b are measured to be 87.0° and 84.2°, respectively. (round your answers to the nearest mile.)

Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?

Which is the most accurate name for the ionic compound cas?

Identify some abiotic characteristics of the tundra biome.