Find the heat that flows in 1.0 s through a lead brick 25 cm long if the temperature difference between the ends of the brick is 8.5C°. The cross- sectional area of the brick is 14 cm².

Q: A rectangular building made of concrete has a length 50.0 feet, width 35.0 feet and height 30.0 feet…

A: Given:- A rectangular building made of concrete has a length of 50.0 feet=15.24 m, width 35.0 feet…

Q: A brass boiler has a base area of 0.15 m2 and thickness 1.0 cm. It boils water at the rate of 6.0…

A: Given information:The rate of evaporation of water (E) = 6 kg/min = 0.1 kg/sThe latent heat of…

Q: (a) A piece of unknown metal weighs 77.1 g. When the metal piece absorbs 0.229 kJ of heat, its…

A: A)

Q: A copper rod of radius 1.5 cm and length 0.8 m is used in stoking a fire which is at 415 oC. Find…

A:

Q: A steel bar 7 cm long is welded end to end to a copper bar 2 cm long. Each bar has a square cross…

A:

Q: A steel bar 2 cm long is welded end to end to a copper bar 7 cm long. Each bar has a square cross…

A:

Q: 2-m long aluminum rod at 27°C is heated until it is 2.000236m at 77°C. what is the coefficient of…

A:

Q: The figure shows the cross section of a wall made of three layers. The thicknesses of the layers are…

A: In the question we have given the thickness of the layers are L2 =0.650L1 and L3 = 0.25L1 K2 =0.8K1…

Q: ll pot with an aluminum base. The base has a thickness of 2.0mm and a diameter of 19 cm. Water in…

A: GivenThickness of base ,x=2.0 mm=2×10-3 mDiameter ,d=19 cm=0.19 mWater boiling at temperature…

Q: An aluminium rod, 8 cm in diameter and 1.5 m long, if one end of the rod is maintained at a…

A: Given  length of aluminium rod = 1.5 m diameter of aluminium rod = 8 cm temperature of one end T1 =…

Q: A cylinder of diameter 3.00000 cm at 250 C is to be slid into a hole of a steel plate.  The hole has…

A: According to the definition of linear expansion

Q: How much heat is conducted in 1.0 h through an iron plate 2.0 cm thick and 1,000 cm2 in area, the…

A: Given data as per question time t = 1h area = 1000cm2

Q: An iron rod with an initial length of 12.35 m has its temperature raised from 10o C to 36.23o C. If…

A:

Q: Rosy's mother has a taqueria and the griddle where she roasts the meat is made of iron, in a…

A:

Q: A cylinder of diameter 3.00000 cm at 250 C is to be slid into a hole of a steel plate.  The hole has…

A: The coefficient of linear expansion of steel is defined as 12 × 10-6 per ᵒC. The increase in the…

Q: Two bars, A and B, each of length 2.3 m and cross-sectional area 1.7 m2, are placed end to end as…

A: Equivalent thermal resistance  Req = R1+R2   (series combination)  Req = (L/K1A)+(L/K2A)  Req =…

Q: One end of a uniform rod is maitained at 150C and the other end is in contact with an ice water at…

A:

Q: Radiation makes it impossible to stand close to a hot lava flow. Calculate the rate of heat transfer…

A: Given Data The area of the cross-section is A = 1 m2. The temperature of fresh lava is Tl = 1100°C.…

Q: 950 g of preheated pizza (at 295.15 K) cools down after 45 minutes left in the kitchen. If the…

A: As per Newtown's law of cooling the rate at which any body cools is proportional to the difference…

Q: A copper rod is 0.863 m long with a rectangular cross section of dimensions 0.0519 m by 0.0867 m.…

A: length of copper rod = 0.863 m cross section of rod = 0.0519 m by 0.0867 mTemperature at the ends of…

Q: Heat is conducted through a slab composed of parallel layers of different conductivities, 0.0050 and…

A: The amount of conduction through a slab is  H = K A (T' - T)d where, K is the coefficient of thermal…

Q: A gold rod is in contact with a silver rod. The gold end and the silver end of the compound rod is…

A:

Q: Find the heat flow in 30.0 days through a 0.25 cm thick steel plate with cross section 45 cm X 75…

A: The time in seconds can be calculated as follows,

Q: A steel bar 6 cm long is welded end to end to a copper bar 9 cm long. Ea at 66 °C, and the free end…

A:

Q: A steel bar 7 cm long is welded end to end to a copper bar 2 cm long. Each bar has a square cross…

A:

Q: One end of an insulated metal rod is maintained at 100 ∘C∘C and the other end is maintained at…

A: Given temperature (T1)=100 °CT2=0°CLength of rod (L)= 55.0 cm=0.55 mArea of crossection (A)=1.30…

Q: One end of an aluminum rod (50 cm long) is maintained at 1000C by immersing in a pot of boiling…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Q1 /a piece of copper whose length is 10 cm and its cross-sectional area 6 cm. Fix one end of it to…

A:

Q: compound bar 2.0 m long is constructed of a solid steel core 1.0 cm in diameter surrounded by a…

A: The total heat transfer per unit time  in the bar is 1.13cal/sec.

Q: The inner and outer surfaces of a 4-m * 7-m brickwall of thickness 30 cm and thermal conductivity…

A:

Q: (a) Calculate the rate of heat conduction (in W) through house walls that are 11.5 cm thick and that…

A:

Q: A chemist uses a cylinder metal can 0.25cm high and 0.09mm in diameter to store liquid helium at…

A:

Q: The bottom of an aluminum pot is 0.01 m thick and 0.1 m2 in cross-section. The lower surface is kept…

A:

Q: A steel bar 5 cm long

A: Rate of heat flow  Q = KA ΔT /L

Q: A pot holds 2.95 kg of liquid water at 100.0 °C (at the boiling point). The bottom of the pot is…

A: a) The rate of heat conduction, dQdt = KA(T2-T1)d where  K is the thermal conductivity A is the area…

Q: ugh a slab composed of parallel layers of different conductivities, 0.0050 and 0.0025…

A: Given:- conductivity of the two parallel layers are  K1 = 0.0050 cal/cm2-sec-°C/cm K2 =0.0025…

Q: One end of an iron poker is placed in a fire where the temperature is 402°C, and the other end is…

A: Solution :-

Q: and the length of the copper section is 0.800 mm. Each segment has cross-sectional area 0.00700…

A: