Question

calculate the height of the communication satellite​

Answer 1

calculate the height of the communication satellite [ G = 6.67 * 1011Nm2/kg2 , M = 6 * 1024 kg , R = 6400 km. Communication satellites are geocentric satellites which essentially stays above the point above ground at relative rest w.r.t the ground. That means it will have same frequency to that of the the earth