The walls of a refrigeration plant are composed of an insulating material (k=0.256 Kj per hour –m-C) 15 cm thick held between two layers of hollow blocks (k=4.2KJ/hr – m-C) each 15cm thick. The film coefficients are 90KJ/hr-m-C on the outside and 45 KJ/hr-m-C on the inside. Cold storage temperature is -10C and the ambient temperature is 30C. Determine the overall coefficient of heat transfer.
Q: 3. A student measures the distance traveled by several toy cars in different time periods. Toy Car…
A: For question 3 The given distance traveled and time table for different toy cars: Car Distance…
Q: A weight scale using water can be devised using our knowledge of buoyancy. Consider the simple…
A: Given: Mass,m=1200kgAcceleration due to gravity,g=9.8m/s2Density of…
Q: Determine the magnitude and direction of the friction force exerted by the incline plane on the…
A: Given: The horizontal force is 58 pounds. The mass of the block is 100 lb. The…
Q: Ex. 74 A tuning fork A of frequency 200 Hz produces 5 beats/sec. with another fork B. When the ittle…
A: Given, Frequency of Fork A, fA=200Hz The frequency with both , fb=5beats/s fb=fA-fB5=200-fBfB=195Hz
Q: Find D (in cartesian coordinates) at P(6, 8, −10) caused by a uniform surface charge density ρs =…
A:
Q: ke Erie contains 4.80 ne the water's density I atm.
A: Given: Volume of water is 4.8×1011m3. Water density is 1000 Kg/m3. Mass of water is 4.8×1014Kg.
Q: The instrumental broadening of the diffraction peaks depends upon the time resolution dt/t, where dt…
A: From Braggs law, nλ=2dsinθ where θ is the diffraction angle, n is the order of diffraction, λ is the…
Q: Find the index of refraction for medium 2, assuming medium 1 is air and given that the incident…
A:
Q: of the following statements is false?
A: Kinetic energy of the spring system is K, = 1/2mv2 Potential energy of the spring system is U=…
Q: estion carefully then provide naswer. Design transistor level circuits for a 4-
A: To design transistor level circuits for 4 bit even parity generator.
Q: A 0.835-kg block oscillates on the end of a spring whose spring constant is k= 41.0 N/m. The mass…
A:
Q: Problem 9: Answer the following questions based on the graph of a radioactive iodine isotope shown…
A: (a) The half life of the material in days Half-life is the time in which the 50 percent of iodine…
Q: the spacing bétween the minima and m asurement of distance on the object, whic ement device that…
A: Given as,
Q: At 2:00P.M, a thermometer reading is 80°F is taken outside where the air temperature is 20°F. At…
A: Given Data At 2:00 P.M, The initial temperature is:To=80°F The air temperature is:Ts=20°F At 2:03…
Q: Calculate the power output needed for a 950-kg car to climb a 2.00° slope at a constant 30.0 m/s…
A: Given, f=600 Nθ=2.000m=950 kg
Q: A and B have a lover’s quarrel while dating in Delhi. A storms into her BMW car and drives 50 Km/hr…
A: Given, Speed of car A = 50 Km/hr Speed of car B = 80 km/hr
Q: A uniform 4 kg rod with length 46 m has a frictionless pivot at one end. The rod is released from…
A: Solution:-Given that
Q: The cross section of a bearing block is shown in the figure by the shaded area. Calculate the moment…
A: Given Data : Shaded region is given To find : Moment of inertia of the shaded region about the…
Q: A cart with a box of books is pulled 10m horizontally with a constant force of 150 N acting at 40°…
A: Solution:-Given that
Q: Poynting theorem states that: the total electromagnetic energy stored in a volume V is converted to…
A: let us prove the the Poynting Theorem, by the given data.
Q: Problem 5 One of the eigenstates of the hydrogen atom is: 1 re 4/2na o cos e P210 The z component of…
A:
Q: k m The 8.0 kg block is attached to a spring (k 221 N/m) as shown. The small wheels serve to…
A: Mass of the block m = 8.0 kg Spring constant k = 221 N/m Initial position xo = 1.2 m Initial…
Q: The figure below shows a planar rectangular current loop (parallel to the plane of the page)…
A: Current I=3.00 A Magnetic field, B=0.5 T Width of the loop, W=15 cm=0.15 m Height of the loop,…
Q: Now model the air as an incompressible fluid of constant density 1.02 kg/m that is at rest and has a…
A:
Q: What is the expression for the speed of efflux
A:
Q: Consider the circuit below, which contains identical bulbs, ideal batteries, ideal wires having zero…
A: Given 12) Since in the series circuit the current flow is the same across every component, And…
Q: A simple RC circuit has a switch, a resistor (R), and a capacitor (C) all wired together in series.…
A: Given Data : Series RC circuit is given . Maximum charge = Q0 Potential = V Time t = RC To find…
Q: A neuto is moving at a speed of 71 m/s a.) The debregoli wavelength associated with the neutron is…
A: Speed of neutron v = 71 m/s
Q: An Atwood machine consists of two masses hanging from the ends of a rope that passes over a pulley.…
A:
Q: A block resting on a plane inclined at an angle 0 32° from the horizontal is being held in place by…
A: Given: b=80 N.
Q: wing flow faster than the c he wing will lift up the plan Faster air low pressure)
A: Given: Weight of the plane is 180000 Kg Surface area is 340 m2
Q: Answer to Problem 3.37P The proof for virial theorem is given. Explanation of Solution Using…
A: Let us see the reason as of why, when we use the Ehrenfest theorem, i.e.,…
Q: XI. A 1.5m square tank contains water to a depth of 2.6m. a cubical block of wood 0.6m on each side…
A:
Q: Ihe amplitude of a standing sound wave in a long pipe closed The vertical axis is the maximum…
A: The number of the harmonic will be fifth because there are 3 nodes and 3 antinodes. Length, L=0.350m…
Q: Consider two concentric solenoids of the same length. The inner solenoid has radius a and number of…
A:
Q: 3. A nozzle is designed so that the velocity distribution changes linearly from the base to tip. L…
A:
Q: Hot air balloons make use of Archimedes' principle, and are the oldest flying machines. They make…
A: Solution: The weight that can be lifted by the hot air balloon can be obtained by calculating the…
Q: Derive the heat capacity using (a) Dulong-Peti's model, (b) Einstein's model, and (c) deBye's model.…
A: We are concerned with the density of states in the reciprocal space for the phonons. For the Debye…
Q: A mass M=4kg is connected to a spring-dashpot system with spring constant k=10000N/m and a damper…
A: Given Data : M = 4Kg K = 10000 N/m Damper coefficient, c = 8N.s/m g = 9.8 m/s² Initial…
Q: An open system operates at steady state and delivers energy by heat transfer at 300°C, while…
A: Given Temperature T1 = 210° C Temperature T2 = 20° C Temperature T' = 300° C Pressure P2 =…
Q: In the figure R1 = 140 Q, R2 = R3 = 63.0 Q, R4 = 65.00, and the ideal battery has emf ɛ = 6.00 V.…
A:
Q: Categorize SEVEN (7) sources of biomedical signals with its application and suitable examples.
A: Given Categorize SEVEN (7) sources of biomedical signals with their application and suitable…
Q: please don't reject, this is not about astronomy* How was it possible for the Copernican model of…
A: Answer: As per the given statement, It is discussed below as follows:
Q: Q1. What will happen when the corner of the jar is raised and the seal is broken? Make a prediction.…
A: Given: A bottle is attached to the vacuum pump, the bottle is tightly sealed. Air is removed from…
Q: STATISTICAL AND THERMAL PHYSICS PLEASE HELP ANSWER ALL QUESTIONS Caleulate the first three nonzero…
A: Solution attached in the photo
Q: A uniform magnetic field exists in a region of space. The magnetic field is directed INTO the page…
A: Given, A uniform magnetic field exists in a region.
Q: A 4,000 pound car travels at 30 miles per hour on a circular path of radius 100. feet. In order to…
A:
Q: When a current of 60 mA passes through a T.G., a deflection of 45° is produced. If the coil of…
A: Given Data : Current, I = 60mA Deflection, theta = 45° Number of turns , n = 50 Radius, R = 9cm…
Q: A double slit device has and unknown slit spacing, d, When light of wavelength A1 =561nm is used,…
A:
Q: A toroidal coil has a mean radius of 16 cm and a cross-sectional area of 0.25 cm2; it is wound…
A:
Provide the given, formula, and answer.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images