1. A concrete block has a volume of 0.10 m³ and a density of 2,000 kg/m³. What's the weight of the block in water? 2. The weight of one cubic meter of concrete in air is 30,000 newtons, and the weight of one cubic meter of water is 9,800 newtons. What's the weight of the concrete when it’s submerged in water?
3. If a tank filled with water contains a block and the height of the water above point A within the block is 0.8 meter, what is the pressure at point A?
4. If the gage pressure of a gas is 70 kPa, what is the absolute pressure?
5. If the absolute pressure of a gas is 193 kPa, what is the gage pressure?