Question Number 104143 by aurpeyz last updated on 19/Jul/20

A Satellite orbits the esrth in a circle of rsdius 8000km. At that distance from the earth g=6.2m/s2. The velocity of the satelliege is?

Commented byaurpeyz last updated on 19/Jul/20

pls help

Answered by OlafThorendsen last updated on 19/Jul/20

F^→  = mg^→  = ma_N ^→ = m(v^2 /R)u^→   ⇒ v = (√(gR)) = (√(6,2×8.10^6 ))  v = 7,042 km/s

Commented byaurpeyz last updated on 20/Jul/20

thnks

Commented byaurpeyz last updated on 01/Aug/20

pls how did you get R as 8.10^6 ?