1. What gauge pressure in Pa must a pump produce in order to pump water from the bottom of Grand Canyon (730 m elevation) to the Indian gardens (1370 m)?
2. Calculate the pressure at the bottom of the container with 1.2 m high layer of oil (SG=0.82), 0.5 m layer of water and 0.3 m layer of mercury (SG=13.6)
3. A cube having a side 8 cm in length has a density of 900 kg/m³. What is the mass and unit weight of the cube?
4. Georgie is trying to float his toy boat on water during one rainy day. If it weighs 130 N and has a density of 9 g/cm³, what is the total volume of the toy and the buoyant force exerted on it?
It’s the most wonderful time of the year! There’ll be much hollying and jollying, but there will also be plenty…
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