Using the information given what does Hannah need in order to calculate the tangential speed of the orbiting object ? Hannah has information about an object in circular orbit around Earth. m sub cap e ar t h is equal to 6 point 0 times 10 to the 24th power kilograms cap g is equal to 6 point 6 7 times 10 to the negative 11 power the fraction with numerator m cubed and denominator kg times s squared r sub e ar t h is equal to 6 point 0 times 10 to the 6th power m