A concrete post has a 20 inch diameter. It supports a compressive load of 8.4 tons. Determine the bearing stress of the post in pounds per square inch.

Describe Hooke’s law to explain compliance by describing the physical properties of an elastic substance?

1.How many days will it take you to consume a 10-m^3 of water if your daily consumption is 30 liters?2.How many tiles would be needed to cover a 30ftx28ft floor area if a tile measures 30cmx30cm?How many tiles will you buy?3. How many pieces of plywood would be used to cover the ceiling in #2 if the measurement of the ceiling is the same as the floor area and if a plywood measures 1.22 m x 2.44 m? How many pieces of plywood will you buy?4.An Aquarium measures L=5ft, 3ft and H= 20 inches.How many liters will it contain if it will be filled with water until 2 inches below its brim?5.An atom has a diameter of 3.5x10^-10m.What is the measurement in a.)cm and b.) nm6.What is the equivalent speed of light which is 299792458.0 m/s to:a)km/hb)nm/usc)cm/nsd)um/s7.A book measure L=10 inches, W= 8 inches, and H=2 inches.How many of these can be packed in a box that measures L=50cm,W=50cm, and H=60cm if it is to be filled up to the maximum number (this means that no book or any part of it can be…

what is the formula that you used?....I tried to look it up but could not find it ?