Question
In: Civil Engineering
Sketch a 5 kg thin flat uniform homogeneous square plate of side 600 mm, with a...
Sketch a 5 kg thin flat uniform homogeneous square plate of side 600 mm, with a circular opening of radius 100 mm. Determine the area and the mass moments of inertia about the center of mass.
Solutions
Ally Wells answered 1 year agoRelated Solutions
A thin, flat plate that is 0.2 m × 0.2 m on a side is oriented...
A thin, flat plate that is 0.2 m × 0.2 m on a side is oriented
parallel to an atmospheric airstream having a velocity of 40 m/s.
The air is at a temperature of ∞T∞= 20ºC, while the plate is
maintained at Ts= 120ºC. The air flows over the top and bottom
surfaces of the plate, and measurement of the drag force reveals a
value of 0.075 N. What is the rate of heat transfer from both sides
of the...
A flat square sheet of thin aluminum foil, 30 cm on a side, carries a uniformly...
A flat square sheet of thin aluminum foil, 30 cm on a side,
carries a uniformly distributed 285 nC charge.
Part A What, approximately, is the electric field 1.0 cm above
the center of the sheet? Express your answer using two significant
figures.
What, approximately, is the electric field 20 mm above the
center of the sheet? Express your answer using two significant
figures.
A uniform thin film of alcohol (n=1.36) lies on a flat glass plate (n=1.56). When monochromatic...
A uniform thin film of alcohol (n=1.36) lies on a flat
glass plate (n=1.56). When monochromatic light, whose
wavelength can be changed, is incident normally, the reflected
light is a minimum for ?=515nm and a maximum for
?=644nm.
What is the minimum thickness of the film?
tmin = .....?..... nm
Air at 15°C flows at 9 m/s parallel to a thin flat plate measuring 260 mm...
Air at 15°C flows at 9 m/s parallel to a thin flat plate
measuring 260 mm × 390 mm. The direction of flow is parallel to the
260-mm edges. The surface of the plate is at a uniform temperature
of 85°C. The plate is in a large chamber with walls at a
temperature of 22°C. The emissivity of the plate’s surfaces is
0·75. (a) Determine the rate of convective heat transfer from one
side of the plate to air. [16]...
A parallel-plate capacitor has square plates that are 8.20 cm on each side and 4.80 mm...
A parallel-plate capacitor has square plates that are 8.20 cm on
each side and 4.80 mm apart. The space between the plates is
completely filled with two square slabs of dielectric, each 8.20 cm
on a side and 2.40 mm thick. One slab is Pyrex glass and the other
slab is polystyrene. If the potential difference between the plates
is 88.0 V, find how much electrical energy (in nJ) can be stored in
this capacitor.
A 50 kg uniform square sign, 2.00 m on a side, is hung from a 3.00...
A 50 kg uniform square sign, 2.00 m on a side,
is hung from a 3.00 m rod of negligible mass. A cable is
attached to the end of the rod and to a point on the wall 4.00
m above the point where the rod is fixed to the wall. What
is the tension in the cable?
Tries 0/10
What is the horizontal component of the force exerted by the
wall on the rod?
Tries 0/10
What is the...
A thin airfoil can be approximated as a flat plate. The airfoil is set at an...
A thin airfoil can be approximated as a flat plate. The airfoil
is set at an angle of 10° to an air flow with Mach 2, a temperature
of –50°C, and a pressure of 50 kPa. Using linearized theory, find
the pressures on the upper and lower surfaces of this wing.
Find the frequency of small oscillations for a thin homogeneous equilateral triangular plate if the motion...
Find the frequency of small oscillations for a thin homogeneous
equilateral triangular plate if the motion takes place in the plane
of the plate and the plate is suspended from one apex.
Find the frequency of small oscillations for a thin homogeneous equilateral triangular plate if the motion...
Find the frequency of small oscillations for a thin homogeneous
equilateral triangular plate if the motion takes place in the plane
of the plate and the plate is suspended from one apex.
A thin plate is initially at a uniform temperature of 200°C. At a certain timet =...
A thin plate is initially at a uniform temperature of 200°C. At
a certain timet = 0 the temperature of the east side of
the plate is suddenly reduced to 0°C. The other surface is
insulated. Use the explicit finite volume method in con- junction
with a suitable time step size to calculate the transient
temperature distribution of the slab and compare it with the
analytical solution at time (i) t = 40 s, (ii) t
= 80 s and...
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