Two small satellites move in circular orbits around the earth, the distances r and r+Δr from the centre of the earth. Their time period of rotation are T and T+ΔT. (Δr the distances r and r+Δr from the centre of the earth. Their time period of rotation are T and T+ΔT. (Δr Two small satellites move in circular orbits around the earth September 15, 2020 Category: Cengage NEET by C.P Singh , Chapter 12 - Gravitation , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related