Question

Parallel-Axis Theorem for an Area 2 of 8 Learning Goal: I, Iy = ft To be able to use the parallel-axis theorem to calculate the moment of inertia for an area. The parallel-axis theorem can be used to find an area's Submit axis that passes through the centroid and whose moment of inertia is known. If ar and y' are the axes that pass through an area's centroid, the parallel-axis theorem for the moment about the x axis, moment about the y axis, and the polar moment of inertia is expressed by the Part C The semicircle shown (Figure 3) has a moment of inertia about the x axis of 45.0 ft the y axis and a moment of inertia about 450 ft4 the polar moment of inertia about point C (the centroid)? Figure 3 of 3 Express your answer numerically biquadratic feet (feet to the fourth power) to three significant figures. View Available Hint(s) ]νη ΑΣφ vec Jc=22.83 ft C Submit Prevlous Answers X Incorrect; Try Again; 4 attempts remaining

Answer 1

7 = 3. Iy = 45= XX, -3912 # de 1.38844 Ix= Exeat Ady? _45= (IxJc6+ IX3.2122x 1.388 INGG: 12.601 ft Je = (2x) + Gada = 12.601 + 45 = 51.601f44 AM