QUESTION 4 A boat is being pulled into a dock by attached to it and passing through a pulley on the dock, positioned 6 meters higher than the boat. If the rope is being pulled in at a rate of 3 meters/sec, at wchich rate is the boat approaching the dock when it is 8 meters from the dock? Please enter your answer in decimal format with three signicant digits after the decimal point- QUESTION 5 A person 2 m tall walks towards a lamppost on level ground at a rate of 0.5m/ sec. The lamp on the post is 5m high. At which rate the length of the person's shadow decreasing when the person is 3m from the post? Please enter your answer in decimal format with three signicant digits after the decimal point