6.1.1.4 — Define average orbital speed from the equation 2 π r v = T where r is the average radius of the orbit and T is the orbital period; recall and use this equation www.cambridgeinternational.org/igcse 37 Subject content

6.1.1.4 — Define average orbital speed from the equation 2 π r v = T where r is the average radius of the orbit and T is the orbital period; recall and use this equation www.cambridgeinternational.org/igcse 37 Subject content