Homework Answers
m1 is iron slab mass = d X V
m1 = 7.85 X 11.9 X 3.28 X 13.2
m1 = 4044.49 g
( x1 , y1 , z1 ) = ( - d3 / 2 , d1 / 2 , d2 / 2 )
= ( - 6.6 , 5.95 , 1.64 )
m2 is alluminium mass = d X V
= 2.7 X 11.9 X 3.28 X 13.2
m2 = 1391.1 g
( x2 , y2 , z2 ) = ( - d3 / 2 , d1 + (d1 / 2) , d2 / 2 )
= ( - 6.6 , 17.85 , 1.64 )
now
Xcm = m1 x1 + m2 x2 / (m1+ m2 )
Xcm = 4044.49 X ( - 6.6 ) + 1391.1 X ( - 6.6 ) / (4044.49 + 1391.1 )
Xcm = - 6.6 cm
Ycm = m1 y1 + m2 y2 / (m1+ m2 )
Ycm = 4044.49 X ( 5.95 ) + 1391.1 X (17.85 ) / (4044.49 + 1391.1 )
Ycm = 8.99 cm
Zcm = m1 z1 + m2 z2 / (m1+ m2 )
Zcm = 4044.49 X ( 1.64 ) + 1391.1 X ( 1.64 ) / (4044.49 + 1391.1 )
Zcm = 1.64 cm
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The figure shows a composite slab with dimensions d_1 = 11.9 cm, d_2 = 3.28 cm,...
The figure shows a composite slab with dimensions d1 = 11.8 cm, d2 = 3.89 cm,...
The figure shows a composite slab with dimensions
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and d3 = 12.9 cm. Half the slab consists of
aluminum (density = 2.70 g/cm3) and half consists of
iron (density = 7.85 g/cm3). What are
(a) the x coordinate,
(b) the y coordinate, and
(c) the z coordinate of the slab's center
of mass?
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The figure below shows a ring of outer radius R = 13.0 cm, inner radius r...
The figure below shows a ring of outer radius R = 13.0 cm, inner
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Materials science se Objcetive: Introduce fundamental DELL 3. (15 points). The accompanying figure shows a unit...
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The figure shows a composite slab with dimensions
d1 = 11.8 cm, d2 = 3.89 cm,
and d3 = 12.9 cm. Half the slab consists of
aluminum (density = 2.70 g/cm3) and half consists of
iron (density = 7.85 g/cm3). What are
(a) the x coordinate,
(b) the y coordinate, and
(c) the z coordinate of the slab's center
of mass?
from - Midpoint Aluminum
Figure Q2(b) shows the composite wall of a freezing
plant which consists of a 10 cm layer of corkboard on the inside
and 14 cm layer of concrete on the outside, with an area of 1 m2.
The temperature on the inside corkboard surface is -20 °C, and the
temperature on the outside concrete surface is 24 °C. The thermal
conductivity for corkboard is 0.04 W/m.K and for concrete is 0.8
W/m.K.
Calculate the temperature of the interface between the...
my The figure shows a cubical box that has been constructed from uniform metal plate of negligible thickness. The box is open at the top and has edge length L = 37.2 cm. Find the x- coordinate of the center of mass of the box. Submit Answer Tries 0/5 Find the y-coordinate of the center of mass of the box. Submit Answer Tries 0/5 Find the z-coordinate of the center of mass of the box. (Submit Answer Tries 0/5
3. The figure below shows the density change in iron as a function to the amount of plastic deformation (strain). Explain this behavior 0.016 a-Fe p7.874g/cm 0.014 0.012 0.010 0.008 0.006 0.004- 0.002 0.000 0.06 0.10 0.16 0.20 0.26 True strain-Tension Density decrease, g/cm
3. The figure below shows the density change in iron as a function to the amount of plastic deformation (strain). Explain this behavior 0.016 a-Fe p7.874g/cm 0.014 0.012 0.010 0.008 0.006 0.004- 0.002 0.000 0.06 0.10...
7. Figure 28-45 shows a rec-tangular 20-turn coil of wire, of dimensions 10 cm by 5.0 cm. It carries a current of 0.10 A and is hinged along one long side. It is mounted in the xy plane, at angle 0 = 30° to the direction of a uniform magnetic field of magnitude B = 0.50 T. What is the torque acting on the coil about the hinge line? Hinge line X B Z
3) The next figure shows a rectangular 20-turn coil of wire, of dimensions 10 cm by 5.0 cm. It carries a current of 0.10 A and is hinged along one long side. It is mounted in the xy plane, at angle of 30° to the direction of a uniform magnetic field of magnitude 0.50 T. In unit-vector notation, a) what is the magnetic force on each side? B) What is the torque acting on the coil? Hinge line
The figure below shows a ring of outer radius R = 13.0 cm, inner
radius r = 0.480R, and uniform surface charge density σ = 6.20
pC/m2. With V = 0 at infinity, find the electric potential at point
P on the central axis of the ring, at distance z = 3.20R from the
center of the ring.
V
Hinge line The figure shows a rectangular, 20-turn coil of wire of dimensions 9 cm by 5 cm. It carries a current of 0.090 A and is hinged along one long side. It is mounted in the xy plane, at an angle of 30° to the direction of a uniform magnetic field of magnitude 0.30 T. What is the torque acting on the coil about the hinge line Submit Answer Incorrect. Tries 3/10 Previous Tries What is its direction? O...
Materials science se Objcetive: Introduce fundamental DELL 3. (15 points). The accompanying figure shows a unit cell for a hypothetical metal. l0 90°i 0.45 mm 90%- 0.35 nm トー0.35 nm- 3.1. The crystal structure is a. BCT c. BCO b. ВСС d. FCC 3.2. If atomic weight is 141 g/mol, then calculate the mass density of the material. a. 9.55 g/em3 b. 8.49 g/cm c. 7.36 g/cm d. None of the above 3.3 Draw the (021) and (101) planes.
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