Hello I need help on these question 9, 10, and 12 for future review and notes, thank you so much!!

9. [-12 Points] DETAILS SERPSE1O 13.6.0P.024. 0/6 Submissions Used (a) Calculate the work (in MJ) necessary to bring a 100 kg object to a height of 997 km above the surface of the Earth. Em (b) Calculate the extra work (in J) needed to launch the object into circular orbit at this height. |:iJ Need Hei p? 10. [13 Points] SERPSE10 13.6.0P.025. 0/6 Submissions Used MY N A satellite of mass 220 kg is placed into Earth orbit at a height of 700 km above the surface. (a) Assuming a circular orbit, how long does the satellite take to complete one orbit? :lh (b) What is the satellite's speed? m/s (c) Starting from the satellite on the Earth's surface at the equator, what is the minimum energy input necessary to place this satellite in orbit? Ignore air resistance but include the effect of the planet's daily rotation. Z: Need Help? 12. [-/1 Points] SERPSE10 13.6.0P.028. 0/6 Submissions Used A projectile is launched directly upward from the surface of the Earth with an initial speed of 5.7 km/s. Assuming air resistance is negligible, what is the maximum height of the projectile (in m)? :im Need Help? mun