#25- A rectangle block with the dimensions 1cm by 3cm by 5cm weighs 1.1555 newto
ID: 2029998 • Letter: #
Question
#25- A rectangle block with the dimensions 1cm by 3cm by 5cm weighs 1.1555 newtons. whats the block made of if it contains only one type of material based on the table given in the pictures?
#37- An aquarium with a base of 35 cm by 80cm has 55l of water in it. Whats the pressure of the bottom of the tank?
Ultimate Strength of Materials Tensile Strength (N/m2) 1.7× 108 5.0 × 108 2.0 x 108 1.2 x 108 Compressive Strength (N/m2) 5.5 × 108 5.0 x 10 2.0 x 10 1.5 × 108 8.0 × 107 3.5 x 107 2 × 107 Material ron Steel Aluminum Bon Marble Brick Concrete l x 10 2×106Explanation / Answer
#25 insufficient data to answer. Pictures are not provided.
#37:
pressure, P = rho*g*H
the dentsity of water, rho = 1000 kg/m^3
Volume = Area*Height
given, Volume = 55 L = 0.055 m^3
Area = 35*10^-2 * 80*10^-2 = 0.28 m^2
Height = Volume/Area = 0.196 m
P = 1000 kg/m^3 * 9.81 ms^2 * 0.196 m
Pressure of the bottom of the tank, P = 1922.8 Pa
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