please help me with the following two physics questions as I cannot comprehend. I would truly appreciate your help and time. thank you very much in advance.

Blood in a carotid artery carrying blood Your res onse... to the head is moving at 0.15 m/s when it p reaches a section where plaque has narrowed 0 the artery to 62% of its normal diameter. What pressure drop occurs when the blood reaches this narrow section? Answer in units of Pa. Answer in units of Pa. Two ice skaters approach each other at right angles. Skater A has a mass of 27.8 kg and travels in the +1: direction at 2.7 m/s. Skater B has a mass of 86.6 kg and is moving in the +y direction at 1.31 m/s. They collide and cling together. Find the nal speed of the couple. Answer in units of m/s. Answer in units of m/s. Your response... X #1. 3.9519 PALETTE