1.

Two satellite A and B go round around planet P in a circular orbit having radii 4R and R respectively. If the speed of the satellite A is 3V, the speed of satellite B is

Answer»

B  go around planet  P in circular orbits of radii 4 R and  R respectively.velocity of a SATELLITE = vmass of a satellite = MMASS of planet = Mradius of ORBIT = Rcentripetal FORCE =  m v² / R = G M m / R²             =>  v² = G M / R     velocity of a satellite is inversely proportional to the radius of the orbit.        v_B² / v_A²  =  R_A / R_B         v_B² = 4 R / R * (3 V)² = 36 V²   v_B = velocity of satellite B =  6 V,  twice the velocity of satellite A.



Discussion

No Comment Found

Related InterviewSolutions