B= 105 , C= 205 , D = 15

2. a. You are walking out on a frozen lake, and you begin to hear the ice cracking beneath you. As the best strategy for getting off the ice safely, you decide to spread your body and crawl. If your mass is B kg and your body area is D/ 10 m2, calculate the pressure you apply to the frozen lake? d. When you visit the doctor's ofce, a nurse calls out your blood pressure as "BIC." in systolic blood pressure where is upper bound B and C is lower bound. What will be this value in Pascals, and do you have unhealthy blood pressure? e. A nurse needs to inject liquid medicine into your body by exerting a D5 newtons force onto a hypodermic syringe. If the barrel of the syringe is 5.0 millimeters in diameter and the syringe's needle is 0.25 millimeters in diameter, how many newtons of force does the medicine come out from the needle into your body? f. A garden hose has two cross-sectional obstructed openings with a cross sectional area ofX opening is D/lO m2 and Y opening is D/lOO m3. What will be the ratio of speed ofwater coming outside in these two openings (X to Y)? What principles did you use here