A model airplane has a mass of 0.95 kg and moves at a constant speed on a circle that is parallel to the ground. Assume that there is no upward lift on the plane generated by its wings. Without such lift, the guideline slopes downward due to the weight of the plane. Find the tension T in the guideline (length = 20 m), assume s1 = 17.0 and s2 = 35.0 m/s for the speeds.
I am confused as to how this problem is to be solved without knowing the angle that the guideline creates with the horizontal direction.
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