SSM In Fig. 25-59, two parallel-plate capacitors A and B are connected in parallel across a 600 V battery. Each plate has area 80.0 cm 2 ; the plate separations are 3.00 mm.Capacitor A is filled with air; capacitor B is filled with a dielectric of dielectric constant κ= 2.60. Find the magnitude of the electric field within (a) the dielectric of capacitor B and (b) the air of capacitor A . What are the free charge densities σ on the higher-potential plate of (c) capacitor A and (d) capacitor B ? (e) What is the induced charge density σ 'on the top surface of the dielectric? Figure 25-59 Problem77.
SSM In Fig. 25-59, two parallel-plate capacitors A and B are connected in parallel across a 600 V battery. Each plate has area 80.0 cm 2 ; the plate separations are 3.00 mm.Capacitor A is filled with air; capacitor B is filled with a dielectric of dielectric constant κ= 2.60. Find the magnitude of the electric field within (a) the dielectric of capacitor B and (b) the air of capacitor A . What are the free charge densities σ on the higher-potential plate of (c) capacitor A and (d) capacitor B ? (e) What is the induced charge density σ 'on the top surface of the dielectric? Figure 25-59 Problem77.
SSM In Fig. 25-59, two parallel-plate capacitors A and B are connected in parallel across a 600 V battery. Each plate has area 80.0 cm2; the plate separations are 3.00 mm.Capacitor A is filled with air; capacitor B is filled with a dielectric of dielectric constant κ= 2.60. Find the magnitude of the electric field within (a) the dielectric of capacitor B and (b) the air of capacitor A. What are the free charge densities σ on the higher-potential plate of (c) capacitor A and (d) capacitor B? (e) What is the induced charge density σ'on the top surface of the dielectric?
The figure gives the acceleration a versus time t for a particle moving along an x axis. The a-axis scale is set by as = 12.0 m/s². At t = -2.0
s, the particle's velocity is 11.0 m/s. What is its velocity at t = 6.0 s?
a (m/s²)
as
-2
0
2
t(s)
4
Two solid cylindrical rods AB and BC are welded together at B and loaded as shown. Knowing that the average normal stress must not
exceed 150 MPa in either rod, determine the smallest allowable values of the diameters d₁ and d2. Take P= 85 kN.
P
125 kN
B
125 kN
C
0.9 m
1.2 m
The smallest allowable value of the diameter d₁ is
The smallest allowable value of the diameter d₂ is
mm.
mm.
Westros, from Game of Thrones, has an area of approximately 6.73⋅106 miles26.73⋅106miles2. Convert the area of Westros to km2 where 1.00 mile = 1.609 km.
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