Question 4 {1 point} A piece of aluminum is attached to a piece of string that is tied to a handing scale. When the aluminum is hanging in air, the scale reads 190M What will that scale read if the aluminum is hanging in fresh water? Your Answer: Answer units Question 5 [1 point} A particular type of wood has a densitv equal to 7'50kg/m3. If you made a raft out of 2,?00kg of this wood, how much extra mass could it support on fresh water? Your Answer: Answer units Question 6 [1 point} A balloon is taken into a hvperbaric chamber. When the balloon is brought in at atmospheric pressure (P=1DOOOOPa}I. it is full, and has a volume 500cm\". When the chamber is filled up, the balloon is much smaller, having a volume of 50cm\". What is the pressure inside the hvperbaric chamber? Your Answer: 3