13 to 15 please!

13. [-/2 Points] DETAILS OBINPHYS8 4.P.028. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A boat (with a flat bottom) and its cargo weigh 5,800 N. The area of the boat's bottom is 6 m2. How far below the surface of the water is the boat's bottom when it is floating in water? Need Help? Read It 14. [-/2 Points] DETAILS OBINPHYS8 4.P.029. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A scale reads 390 N when a piece of copper is hanging from it. What does it read (in N) when it is lowered so that the copper is submerged in water? Z Need Help? Read It 15. [-/2 Points] DETAILS OBINPHYS8 4.P.030. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A rectangular block of ice with dimensions 3 m by 2 m by 0.2 m floats on water. A person weighing 840 N wants to stand on the ice. Would the ice sink below the surface of the water? Yes No Need Help? Read It