1.A 55 KG bungee jumper leaps from a bridge. She is tied to a bungee cord that is 12 m long when unstretched, and falls a total of 31 m. Calculate the spring constant of the bungee cord assuming Hooke's law applies. Calculate the maximum acceleration she experiences
2.In an experiment, 108 grams of soil was put into a pan and dried. After drying, the sand weighed 104 grams. Compute the dry density of the moist sand. (Consider weight density of moist sand, 120 pcf)