Question
What is the weight of a granite cube with 25cm in each side (density of granite is 2.9g/cm^3). What is the weight of this cube when it is submerged in the sea.(the density of sea water is 1.03g/cm^3)
Answers
Scott
1st part ... 25^3 * 2.9 ... grams
2nd part ... 25^3 * (2.9 - 1.03) ... grams
weight is force, usually measured in Newtons
change grams to kilograms, then multiply by g
... g = 9.8 m/s^2
2nd part ... 25^3 * (2.9 - 1.03) ... grams
weight is force, usually measured in Newtons
change grams to kilograms, then multiply by g
... g = 9.8 m/s^2