Question: A large slab of copper is initially at a uniform temperature of 90C. Its surface temperature is suddenly lowered to 30C. Calculate the heat-transfer rate

A large slab of copper is initially at a uniform temperature of 90ºC. Its surface temperature is suddenly lowered to 30ºC. Calculate the heat-transfer rate through a plane 7.5 cm from the surface 10 s after the surface temperature is lowered.

Step by Step Solution

★★★★★

3.56 Rating (170 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

T i 90 o C T 0 30 ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

892-P-T-H-T (872).docx

120 KBs Word File

Students Have Also Explored These Related Thermodynamics Questions!

Brad is incredibly busy tying up loose ends at the end of the calendar year. His hammock stand business has been doing well but not quite as well as he had hoped. His production level was down...

A very large slab of copper is initially at a temperature of 300C. The surface temperature is suddenly lowered to 35C. What is the temperature at a depth of 7.5 cm 4 min after the surface temperature...

A long copper cylinder 0.6 m in diameter and initially at a uniform temperature of 38?C is placed in a water bath at 93?C. Assuming that the heat transfer coefficient between the copper and the water...

A copper sphere initially at a uniform temperature T0 is immersed in a fluid. Electric heaters are placed in the fluid and controlled so that the temperature of the fluid follows a periodic variation...

A very large slab of copper ( p = 8 9 3 3 k g m 3 , c p = 3 8 5 J k g - K , k = 4 0 0 W m - K ) is initially at a temperature of 3 0 0 C . The surface temperature is suddenly lowered to 3 5 C ....

I need the answer as soon as possible 05. A semi-infinite skab of copper is maintained at an initially uniform temperature of 30C. a-If the surface temperature is suddenly raised to 220C; Calculate...

A large slab of brick [k = 1.07W/m C, = 5.4 107m2/s] is initially at a uniform temperature of 20C. One surface is suddenly exposed to a uniform heat flux of 4500 W/m2. Calculate and plot the...

hi please help with part c! thank you :) Your answer is partially correct. A slab of copper of thickness b = 2.17 mm is thrust into a parallel-plate capacitor of plate area A = 3.27 cm2 and plate...

A slab of copper of thickness b = 2.00 mm is thrust into a parallel plate capacitor of plate area A = 2.40 cm2 and plate separation d = 5.00 mm, as shown in Figure the slab is exactly between the...

( 2 0 pts ) A composite block with uniform cross sectional area consists of a slib of aluminum with length L A = 0 . 3 7 5 m and a slab of copper with length L C = 0 . 4 6 5 m , as shown below. The...

b Copper (8c25p74) A slab of copper of thickness b = 1.190 mm is thrust into a parallel-plate capacitor of C = 9.0010-11 F of gap d = 5.0 mm, as shown in the figure; it is centered exactly halfway...

In 2010, BT granted a nonqualified stock option to Ms. P to buy 500 shares of BT stock at $20 per share for five years. At date of grant, BT stock was trading on Nasdaq for $18.62 per share. In 2015,...

Why does the management of any companies analyze financial statements? Explain by using the different tools in analyzing financial statement with proper numerical example.

A business performed $ 1 0 , 5 0 0 of services. Their customer paid $ 2 , 8 0 0 of the amount right away but charged the remaining amount. To record this transaction, the business would:

Design a clocked Mealy sequential circuit with one input (X) and one output(Z).The output is to be 0, unless the input is 0 following a sequence of exactly two 0 inputs followed by a 1 input.

What are some potential problems that must be overcome when using multicultural, diverse teams in today's organizations? What are some recognized advantages? Identify and discuss two of each

What are self-directed work teams? What are some potential benefits of using these teams?

1) Discuss cost-volume-profit (cvp) analysis. What are some potential benefits of using cvp? 2) Look at the three business proposals below. What are some things we would need to consider/determine...

The average power density is given by Pav= Re[Es Hs*] . Calculate average power density for TE20 mode.

For the same data in Problem 1, compute MLEs of parameters of a Weibull distribution. Also compute the MLEs of S(3) and T0.5.

Steel rails 15.000 m long are laid at 10.0C. How much space should be left between them if they are to just touch at 35.0C?

Steel beams 60.000 ft long are placed in a highway overpass to allow for expansion and contraction. The temperature range allowance is 30F to 130F. (a) Find the space allowance (in inches) between...

1. The spaces between 13.00-m steel rails are 0.711 cm at 15C. If the rails touch at 35.5C, what is the coefficient of linear expansion? 2. A section of concrete dam is a rectangular solid 20.0 ft...

3) Bond Valuation: Doisneau 19 year bonds have an annual coupon interest of 13%, make interest payment on a semiannual basis, and have a $1,000 par value. If the bonds are trading with a market's...

An investment will pay you $52,000 in 10 years. If the appropriate discount rate is 7.9 percent compounded daily, what is the present value? (Use 365 days a year. Do not round intermediate...

Question 20 2 points Save Answ Suppose a bank enters a repurchase agreement in which it agrees to sell Treasury securities to a correspondent bank at a price of $9999907 with the promise to buy them...