Question

Nod your first bookmaurk byusing the heart in the adtress bar or IIWE04I Begin Date: 9:'25/2018 7:00:00 AM -- Due Date: 9.27.2018 7:00:00 AM End Date: 12/10/2018 11:59:00 PM (20%) Problem 5: Suppose that we have two hanging rods of the same length 2.8 m. However, their cross sections are a circle with radius 3.5 mm and a square with sides (2.3.5) mm. Both rods have the same Young's Modulus of 2.5 x 1011 N/m2 0 Assignment Statu:s Click here for detailed view Problem Status Δ 50% Part (a) If we attach a heavy ball of mass 28 kg at the end of the first rod (the one with the circular cross section), how much would it stretch in millimeters? 1 Completed Completed 3 Partial 4 Completed ← a 50% Part (b) If we attach the same ball of mass 28 kg at the end of the second rod (the one with the square cross section, how much would it stretch in millimeters? Grade Summary AL 0% 4044 Potential Late work % Late Potential 98% 98% tan( ) | ( acos) cosO asin) atan acolan) sinh) cosh tanh cotanh) ODegrees ORadians cotan) Submisslons Attempts rcmaining: 5 0% per attempt) detailed view END Submit I give up! O lype hene to search