Most people assume that air resistance acting on a moving object will always make the object slow down . It can , however , actually be responsible…

I tried to solve it using the conservation of energy, but I cannot figure it out. Thank you!

4 . Most people assume that air resistance acting on a moving object will always make the objectslow down . It can , however , actually be responsible for making the object speed up . Considera 100 – ke Earth satellite in a circular orbit at an altitude of 200 km . A small force of airresistance makes the satellite drop into a circular orbit with an altitude of 100 km .*a. Calculate the satellite’s initial speed .b. Calculate its final speed in this process .C. Calculate the initial energy of the satellite – Earth system .d. Calculate the final energy of the system .. . Show that the system has lost mechanical energy and find the amount of the loss due tofriction .f. What force makes the satellite’s speed increase ? Hint : You will find a free-body diagramuseful in explaining your answer .

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