Required information NOTE: This is a multi-part question. Once an answer is submitted you will be unable to return to this part. A 750-g collar can slide along the horizontal rod shown. It is attached to an elastic cord with an undeformed length of 300 mm and a spring constant of 290 N/m. Consider that the collar is released from rest at A and neglecting friction. 200 mm D i 350 mm LE 400 mm B 500 mm. A Determine the speed of the collar at E. The speed of the collar at E is mis