A cubical piece of heat-shield-tile from the space shuttle measures 0.15 m on a side and has a thermal conductivity of 0.065 J/(s·m·C°). The outer surface of the tile is heated to a temperature of 1040°C, while the inner surface is maintained at a temperature of 18°C. (a) How much heat flows from the outer to the inner surface of the tile in 5.0 minutes? (b) If this amount of heat were transferred to 2.7 liters (2.7 kg) of liquid water, by how many Celsius degrees would the temperature of the water rise?

Q: Find density d objuct haury valune 4m man 4000 kJ

A: Given, Mass (m) = 4000 kg  Volume (V) = 4 m^3  As we know the formula of density, d = m/V

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A: Write the equation of Bragg’s law. Draw the schematic diagram of the system.

Q: 3. What is the Area for the following sets of variables? E = 1.43 x 1027 N/c pE = 3.4 x 1023 V-m $ =…

A:

Q: A parallel plate capacitor, separated by a distance of 0.9 mm, has plates of area 300 cm^2 . The…

A: The correct answer is option (2) i.e.    1.475 x 10-6 J

Q: Weight-Volume Relationships . The undisturbed soil at a borrow pit has a bulk unit weight of 19.1…

A: Weight=19.1kN Volume=4.50m³

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A: Light travel in a straight line. Travel in one direction. Option a is correct.

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A: We know, Distance is the actual path taken between two places, whereas displacement is the shortest…

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A:

Q: 3 .Lamination of the transformer core is made of cast steel.  True False 19. AC reverses its…

A: 13 .Lamination of the transformer core is made of cast steel

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A: Given A light having a resistance of 12 ohm is connected across a 18 V battery. Current =0.5A we…

Q: Practice Problem 3.2 Find the voltages at the three nonreference nodes in the circuit of Fig. 3.6.…

A: We have to find the voltage of the non reference node

Q: A cube of ice is taken from the freezer at -9.5 °C and placed in a 95-g aluminum calorimeter filled…

A:

Q: 14. A block placed on an incline orie u = 13.4 (m/s) î– 12.0 (m/s) ĵ at tim If its acceleration is…

A: Givenu→=13.4(m/s)i^-12(m/s)j^  at t=0a→=0.706(m/s2)i^-0.636(m/s)j^

Q: Two parallel wires are separated by 0.25 m. Wire A carries 4.1 A and Wire B carries 10 A, both…

A: Given data :- Separation between two wires r = 0.25 m  Current in wire A i1 = 4.1 ACurrent in wire B…

Q: A 2.9 kg lump of aluminum is heated to 93°C and then dropped into 8.0 kg of water at 5.0°C. Assuming…

A: Given Mass of the aluminum lump is ma=2.9 kg Mass of water is mw=8.0 kg Temperature of the aluminum…

Q: . Two sports car collided during a race, One car weighs 85kg and the one weighs 92kg. Before…

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Q: Spherical mirrors. Object O stands on the central axis of a spherical mirror. For this situation…

A: This question is based on Ray optics topic. Mirror Formula: 1v+1u=1fv=Image distanceu=object…

Q: 1. A particle is moving along a straight line such that its position is defined by s = 10VE + V400…

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Q: 30. Ganyu used her charged attack to shoot an arrow hitting a hilichurl tower a certain distance…

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Q: Find the value of work done is 520 J and displacement is 42 m. Find the force applied ?

A: Given  Work done (W) = 520 J Displacement (S) = 42 m Force applied (F) = ?   Work done is given by -…

Q: A series circuit contains a resistor, a capacitor, and an inductor, connected to voltage source. The…

A: R = 25 ohm C = 0.6 μF L = 15 mH maximum safe voltage across the capacitor = 350 Volts

Q: 26. A black forest cake on a plate rests on a top of a table. Which of the following is the reaction…

A: According to Newton’s third law every action has equal and opposite reaction

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A: Given : Each Capacitor has value of 6 micro farad.  Required : Equivalent Capacitance of the system

Q: Tangential and Angular Acceleration. A turntable reaches an angular speed of 33.3 rpm in 2.0 s,…

A:

Q: 10. The diagram shows total internal reflection. Which of the following statements is not true? * IN…

A: Answer- (C) Angle AON must be the critical angle is not true.

Q: A force of 140N is applied to an object of area 2 m?. Calculate the pressure ?

A: Given data :    Force   =   F    Area   =    A        To find :            Pressure

Q: Two-way. An object moved 4.0 [m] along the positive x-axis in 2.0 [s] and then again moved 5.0 [m]…

A: Data provided:  The object moves in two ways Δx1 = +4.0 m, in time (t1) = 2.0 s Δx2 = -5.0 m, in…

Q: Find the value of work done is 520 J and displacement is 42 m. Find the force applied ?

A: Given ,  Work done (W) = 520 J displacement (d) 42 m

Q: which is the best example for second law of motion? a. slingshot b. holding onto train handgrips…

A: Newton's second law of motion tells about inertia and force.

Q: 12. What is 32 [km/hr²] in [m/s²] A. 2.46 x 104 m/s? B. 8.89 m/s² C. 2.47x 103 m/s² D. 8.89 x 101…

A: Given data : The given data is of acceleration whose unit is km/hr2 Acceleration=a   Required : Unit…

Q: A boy on a motorbike a scooting along at 20m/s. If the boy weighs 50kg, what is his kinetic energy

A: Given data:  Speed (v) = 20 m/s Mass (m) = 50 kg Required: Kinetic energy (KE)

Q: A single loop of area 200 cm² is positioned perpendicular to a uniform magnetic field. Without…

A: Average induced e.m.f = [change in magnetic flux ÷time] Average induced e.m.f = [(change in magnetic…

Q: A circuit consists of two resistors connected in parallel. If the total resistance is 1403 Q and one…

A: Given data:  Two resistors are connected in parallel combination RT = 1403 Ω and R1 = 2000 Ω…

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Q: Find the value of distance covered by car in 6 s if car is moving with speed of 25 m/s

A: Given : time, t = 6 s  Speed , v = 25 m/s  Find : Value of distance covered

Q: The temperature of a 0.713 kg cube of ice is decreased to -144°C. Then energy is gradually…

A: It is topic of heta to change the temperature

Q: 29. The graph shows the acceleration of an object across time. Which of the following graphs below…

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Q: Minecart. A stationary minecart can be uniformly accelerated to a final speed of v upon passing…

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Q: A liquid (p = 1.65 g/cm) fiows through a horizontal pipe of varying cross section as in the figure…

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Q: Two charges, of ?1=+ 3.50 ?? and ?2=− 4.50 ?? are 0.400 m apart. Where along the line joining them…

A: In this question we have to find the point at which the net electric field is zero. Please give…

Q: The shown ticker tape was recorded for a certain uniformly accelerated motion. 0.1s 0.2s 0.3 s 0.4s…

A: 7) The displacement time is shown for an accelerated motion to find : average velocity for the…

Q: For #23 and 24, refer to the following diagram 2.00 2 6.00 2 1.00 2 4.00 2; 3.00 2 2.00 2 3.00 2…

A: Given Let the resistance of the resistors are R1=2.00 Ω, R2=4.00 Ω, R3=6.00 Ω, R4=3.00 Ω, R5=1.00 Ω,…

Q: A 965-kg satellite orbits the Earth at a constant altitude of 109-km. (a) How much energy must be…

A: Given information: The mass of the satellite (m) = 965 kg The initial altitude of the satellite (r)…

Q: Lead pellets, each mass 1.90g, are heated at 200 C. How many pellets must be added to 498 g of water…

A: Mass of each pellet m=1.9 g which are heated to a temperature of T1=200 C, mass of water m2=498 g…

Q: Newton's Law Law. Which of the following scenarios demonstrates Newton's 2nd Law? O A cyclist is…

A: Newton's second law of motion describe the law of inertia.

Q: In the product A ·B· C, A has 5 significant figures, B has 2 significant figures, and C has 3…

A: Given data:  A has 5 significant figures B has 2 significant figures C has 3 significant figures…

Q: a) e) k= 10 N/m 80 N 100 N 30 60 N b) 200 N c) F = (61) N d) F(N)

A:

Q: How many tons of ice can a 20-ton ice plant produce in 24 hours at 5 degree F from raw water at 80…

A: The mass of the ice that can be produced in 24 hours is 12.672 ton.

Q: Find density d objuct hauny valune 4m man y000 kJ

A:

Q: An infinitely long single wire with current I1 = 1.5 A and a rectangular wire loop with current I2 =…

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Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.