shows a lamina which is symmetrical about its centroidal axis. 40 R30 9 70 (a) Find the first and second moments of area of the figure. (b) Determine the centroid of the area.

Q: Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin…

A: (a)Volume V is given by,

Q: Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin…

A: Given Data: The density of the gold is: ρ=19.32 g/cm3 (a) The mass of the gold is: m=6.638 g The…

Q: Gold, which has a density of 19.32 g/cm³, is the most ductile metal and can be pressed into a thin…

A:

Q: Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin…

A: Density , ρ = 19.32 g/cm3 = 19.32 x 103 kg/m3  Mass , m = 6.609 gm = 6.609 x 10-3 kg Thickness , t =…

Q: Let ?a represent the density of aluminum and ?f that of iron. Find an expression of the radius (?a )…

A: In the given question, The density of aluminium  = ρa The density of aluminium  = ρf We are required…

Q: Replace the polar equation r= - 4 sec 0 with an equivalent Cartesian equation. Then identify the…

A: PUT    X =r cosθ             y = r sin θ            x2 + y2 = r2

Q: Gold, which has a density of 19.32 g/cm³, is the most ductile metal and can be pressed into a thin…

A: Density:  Density is defined as the ratio of the mass and the volume of the substance.…

Q: Given the following three vectors: A = -9î+7), B = -61-10) and vector C has a magnitude of, 9 and…

A: Given that, The vectors A and B are A→=-9i^+7j^B→=-6i^-10j^ the magnitude of the vector C is C→=9…

Q: Grains of fine California beach sand are approximately spheres with an average radius of 50 pm and…

A: The problem is asking to find the mass of sand grains that would have a total surface area equal to…

Q: A round trunk duct fitting has a branch that forms an angle of 30° with themain duct. The main duct…

A: We know, Sine of an angle is given by: sin(θ) = perpendicular hypotenuseGiven:θ =30°, perpendicular…

Q: Given the function y =3xyz2î + 2xy³j-x2yzk Find the curl Vxu a. 3yz'i + 6xy2j - x²yk b. Зyz? + 6ху?-…

A:

Q: A rectangular lamina has vertices (0, 0), (0, 2), (3, 0), (3, 2) and density xy. Find(a) M,(b) ¯x,…

A:

Q: Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and…

A:

Q: Gold, which has a density of 19.32 g/cm³, is the most ductile metal and can be pressed into a thin…

A:

Q: Gold, which has a density of 19.32 g/cm³, is the most ductile metal and can be pressed into a thin…

A:

Q: Let ρAl represent the density of aluminum and ρFe that of iron. Find the radius of a solid aluminum…

A:

Q: Solid state: Find the angle between the(0 0 1) and (1 1 1) directions in a cubic crystal

A: The angle between two vectors is given by, cos(Θ)=A→·B→AB   For the given two vectors, cos(θ)=h1h2,…

Q: n your own words describe first moment of area for any shape and its mportance. With reference to…

A: Moment of Inertia of a body represent the angular mass of the body. When a angular momentum is…

Q: A triangular lamina has vertices (0, 0), (0, 6) and (6, 0), and uniform density. Find:(a) ¯x, ¯y,(b)…

A: m=δ∫∫RdA m=∫x=06∫y=06-xdydx m=δ∫06(6-x)dx=18K Where, δ=K

Q: Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin…

A: GivenDensity ρ = 19.32 g/cm3Mass m = 8.565 gThickness of the leaf t = 4.265 x 10-6 m = 4.265 x 10-4…

Q: Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin…

A:

Q: Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin…

A: The volume is given by: Substitute the required values and solve.

Q: Gold, which has a density of 19.32 g/cm³, is the most ductile metal and can be pressed into a thin…

A: We know,Density (ρ) = Mass (m)Volume (V) Volume (V) = Area (A)×thickness (t)Volume of cylinder of…