What temperature would interstellar dust have to have to radiate most strongly at 100 micro meter?
Q: + metal plate of ava 0-5m² is given 9 charge SouC Find charge, clineity of its to be surface.
A: To find-Charge density (σ)=?Given-A=0.5 m2Q=50 μC=50×10-6 C
Q: Making a high quality image from an object 1.80μ long, that is 6.0M away from the front Lens of the…
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Q: Consider a particle of mass m that is constrained to move on the surface of a cone of revolution z =…
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Q: If a contracting protostar is five times the radius of the sun and has a temperature of only 2000 K,…
A: The luminosity of a star is the measure of energy it is giving out per second or its power output.…
Q: 4. Four hundred grams of water at 20°C is placed inside a 100 grams glass container. Twenty grams of…
A: Given, The mass of water is mw=400gm Temperature of water is Tw=200C The mass of glass container is…
Q: Accuracy of tangent galvanometer is maximum at (a) 0° (c) 60° (b) 45° (d): 90°
A: To find-Angle at which accuracy is maximum=?Given-Accuracy of tangent galvanometer is given-dII=2…
Q: 0 = 72° b) F₁ B = 50° In the accompanying figure, F₁ = 7N, F₂ = 2N, 0 = 72° and ß = 50°. Calculate…
A: Given The magnitude of the forces is F1=7NF2=2N the direction of force F1 from the negative x-axis…
Q: (a) If the system is released from rest, what is the minimum mass of block B needed to move crate A…
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Q: A communication system uses low noise front-end receiver as shown in the Figure below. The antenna…
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Q: Problem 2.16 Use the recursion formula (Equation 2.84) to work out H5() and H6(). Invoke the…
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Q: 5. A spherical ball of radius 0.00265 m and mass 5 x 10-4 kg is attached to a spring of force…
A: Given, The radius of the ball, r=0.00265m Mass, m=5×10-4kg Spring constant, k=0.05 N/m Resolving…
Q: Calculate the distance between the first bright band and fourth bright band on the same side of the…
A: To find-The distance between 1st and 4th bright band on same side of central…
Q: Why do you expect neutron stars to spin rapidly?
A: Neutron stars are formed when stars with 4 to 8 solar mass die. When such a star runs out of fuel…
Q: Determine the pressure required to reduced the given volume of water by 1% (Bulk modulus or…
A: We have to find pressure required (dP) Given that, K=2×108 N/m2 Change in volume (dV) = 1 % of…
Q: What is the escape velocity at the surface of a typical neutron star?
A: In celestial mechanics, the escape velocity is defined as the minimum velocity required by a…
Q: An ostrich starts with velocity Vox and runs a distance d along a pier, speeding up as it runs. The…
A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…
Q: A mass weighting 8 lbs stretches a spring 3 inches. The mass is in a medium that exerts a viscous…
A: Given, When weight of 8lbs stretches a spring by 3 inches.
Q: A space vehicle flies into a gravitational force field F(x, y, z) = −y(b²x² + a²y²)i + x(b²x² +…
A: Given: The gravitational vector field is F→x,y,z = -yb2x2 + a2y2i^ + xb2x2 + a2y2j^ + cz k^ The…
Q: 2. Consider the two charges have equal magnitude of q, separated by a distance 2d. Construct the…
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Q: A weavelength of blue light in ail is 4500 AC What frequency! If refractive index be I glears is…
A: To find-(1) Frequency of light (v)=?(2) Wavelength of light in glass (λg)=?Given-λa=4500…
Q: (b) Figure 1.1 shows a circular ring carries charge ps = Q/π(b²-a²) in a defined area of a < p < b.…
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Q: A rectangular bar 6 cm X 3 cm in cross section is made of aluminium (density= 2700 kg/ m3, specific…
A: The Given is a rectangular bar 6 cm× 3 cm cross section. The Diameter D is 6cm and Height L is…
Q: O In young's experiment the pinholes are illuminated by a monochromatic light of wavelength 5200 A.…
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Q: A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of…
A: Given that-Mass of the mouse, m= 200 gInitial speed is 0m/sFinal speed of the ball is 8.0 m/sThe…
Q: The electric field everywhere on the surface of a thin, spherical shell of radius 0.775 m is of…
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Q: You are driving home from school steadily at 97 km/hkm/h for 160 kmkm. It then begins to rain and…
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Q: If the sun has a Schwarzschild radius, why isn't it a black hole?
A: Every object with a mass has a minimum size to which it can shrink before it undergoes irreversible…
Q: A metal wire of length 2.5 m and area of cross-section 1.5 × 106 m² is stretched through 2 mm.…
A: Young's modulus.
Q: A bar is pulled to the right in the circuit shown below. The magnetic field is constant, going into…
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Q: What is the peak emf (in kV) generated by a 0.230 m radius, 520-turn coil that is rotated one-fourth…
A: Given that-Radius, R=r= 0.230 mTurns, N= 520Magnetic field, B= 0.425 TFrequency,…
Q: The 380-turn primary coil of a step-down transformer is connected to an ac line that is 120 V (rms).…
A: Given that-Number of turn in primary coil, Np= 380 turnPrimary voltage, Vp= 120 VSecondary coil…
Q: When calculating the moment of inertia of an object that may be considered to be composed of a…
A: ANSWER: The Correct option is A.
Q: 2. A 2 kg ball at 4 m/s to the right collides head on with a 1 kg ball moving 6 m/s to the left. The…
A: Part(a) Draw the vector diagrams before, during and after collision. Part(b) Write the corresponding…
Q: Calculate the de-Broglie wavelength of proton, if it is moving with the speed of 2 x 105 m/s.
A: To find-De Broglie Wavelength (λ)=?Given-Speed of proton (V)=2×105 m/sMass of proton (m)=1.67×10-27…
Q: 0.5 in. 0.55 in. 1 0.25 in. P PI 3.5 in. A "В B 1.6 in. O C D 0.65 in. 0.75 in. E Knowing that…
A: Given data A vertical force F=380 lbDistance AB=0.65 inDistance BD=0.75 inDistance CE=1.6 inWe are…
Q: The capacity of air condenser is 8 E. If air is replaced by another material, capacity is found to…
A: We need to compute the dielectric constant (K2)=?Given data-C1=8 μF=8×10-6 FK1=1since, medium…
Q: A star has a life expectancy of 5 billion years. What would be its mass?
A: A star will live as long as there are enough fusion reactions inside its core. Once the fusion stops…
Q: An astronaut traveling at a speed of 0.75c requires 25 years, as measured on Earth, to make a round…
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Q: Train A is traveling at a constant speed VA = 37 mi/hr while car B travels in a straight line along…
A: Kinematics.
Q: Calculate the moment of inertia of the shaded area about the axis. As centroid. y 90 mm (5,4) -NIE-T
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Q: Calculate the rms currents for an ac source is given by v (t) = Vo sin wt, where Vo = 100V and @ =…
A: Given that-Voltage across ac source , vt= V0SinωtInitial Voltage is 100 VoltAngular velocity is 200π…
Q: A 5-kg object is pushed across a level surface with a force of 12 N for a distance of 6 m. How much…
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Q: Determine the x-, y-, and z-coordinates of the mass center of the body constructed of uniform…
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Q: 1. A uniform pole 20 ft long and weighing 80 lbs is carried by two men A and B, one at each end of…
A: Solution:-Given thatlength of uniform pole (L)=20 ftweight of pole (W)=80 lbs
Q: Construct Your Own Problem Consider using the torque on a current-carrying coil in a magnetic field…
A: We have given that a current carrying coil has been kept in magnetic field. Let us suppose that the…
Q: with its plane A coil with 50 turns and area 10cm² is oriented perpendicular to a 0.75-T magnetic…
A: Given that-Number of turns is 50Area of coil is 10 cm2Magnitude of magnetic field is 0.75TTime taken…
Q: A cyclist in a race must climb a 5° hill at a speed of 8 m/s. If the mass of the bike and the biker…
A: Given that-Mass of the bike and biker, m= 80 kgSlope, θ=5°Power, P=mg.Sinθ×vwhere, m is the massv is…
Q: Two small beads having positive charges q1 = 29q and q2 = q are fixed at the opposite ends of a…
A: Dear student as per the guidelines I will solve only the first question. Please repost the second…
Q: A 13 Volt battery was connected across point A and B as in FIGURE 1. GIVEN: R₁-38, R2-10, R3-10,…
A: Solution:-Given thatR1=38Ω, R2=10Ω, R3=10Ω, R4=49Ω, R5=28Ω & R6=32Ω
Q: Why can't a white dwarf contract as it cools? What is its fate?
A: When stars with a mass of less than 8 solar mass die they become white dwarfs. Almost 97% of the…
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