Asatellite is in circular orbit around the earth. the orbit the satellite is at a height of 420 km above the earth's surface. find the orbital speed for the satellite. me= 5.98 x 10^24 kg re= 6.38 x 10^6 m g=6.674 x 10^-11 n m^2/kg^2

7661.06 m/s

Explanation:

R = Radius of Earth =

h = Distance from the Earth = 420000 m

G = Gravitational constant =

M = Mass of Earth =

The orbital speed of the satellite is 7661.06 m/s

waste

explanation:

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min