A. Two equal and opposite shocks move towards each other in a taut spring. The amplitude of each shock is 3 cm. The shocks are created at the ends of the spring at the same time. What will be the copy of the midpoint of the spring, P, when the shocks pass On her face? cm B.The illustration in front of you shows a pulse advancing along a rope. The pulse hits the wall and is reflected back along the rope. Which of the illustrated modes reflects the returned pulse? If possible please type the resident or write in offline because it is really hard for me to read handwriting thank you very much