Q. A swimming pool has dimensions 28 m 10 m and a flat bottom. When the pool is filled to a depth of 2.30 m with fresh water, what is the force caused by water on the bottom?
Q. An insulated Thermos contains 119 cm3 of hot coffee at 64 °C. You put a 12g ice cube at its melting point to cool the coffee. By how a lot of degrees have your coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though it were pure water and neglect energy exchanges with environment.