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Many moralists thought that the industrialization would destroy the family because before the manufacturing process the family worked together making clothing, food, products, textiles and wood products. With the industrial revolution, many factories were built, people who used to live in rural areas had to go to bigger cities - where the factories were located - so they could work. This way the family structure changed since the family had different jobs at different times, so they would not spend the whole day together as before.
Take out what u take in....yeah
Answer:
502.51 kg/m^3
Explanation:
Upthrust on object in water is 40 - 20 = 20 N
Upthrust is equal to the buoyancy forces given as
B = pgv
p is density of water 1000 kg/m^3
g = acceleration due to gravity 9.81 m/s^2
v is the volume of liquid displaced.
Therefore
B = 1000 x 9.81 x v
20 = 9810v
v = 2.038x10^-3 m^3
For Upthrust in unknown liquid, we have 40 - 30 = 10 N
Bouyancy force for the liquid will be
B = P x 9.81 x 2.038x10^-3
NB- the same volume of fluid will be displaced i.e 2.038x10^-3 m^3
Equating we have
10 = P x 9.81 x 2.038x10^-3
10 = 0.0199p
p = 10/0.0199 = 502.51 kg/m^3
