Calculate the coffees rate of heat loss by radiation

Assignment Help Physics

Reference no: EM13273644

A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial temperature of 95?C. The pot has an emissivity of 0.60, and the surroundings are at a temperature of 20.0?C.

Calculate the coffee's rate of heat loss by radiation.

Reference no: EM13273644

Questions Cloud

Compute the speed of the asteroid relative to the observer : An asteroid with a rest mass of 8.2 1011 kg is observed to have a relativistic momentum of magnitude 4.54 1020 kg Â· m/s

What will be the percentage return on your investment : You purchase 100 shares for $50 a share ($5000), and after a year the price rises to $60. what will be the percentage return on your investment if you bought the stock on margin and the margin requirement was 25 percent, 50 percent, and 75 percent..

Which is weighted in stocks that pay substantial dividends : which is heavily weighted in stocks that pay substantial dividends. Which of the following dividend policies would you prefer?

Explain mg(no3)2 is mixed with a solution of naoh : A 50 mL soln. of Mg(NO3)2 is mixed with a 50 mL solution of NaOH. The resulting precipitate, Mg(OH)2, that forms is 2.97g. Determine the concentration of solution of Mg(NO3)2

Calculate the coffees rate of heat loss by radiation : A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial temperature of 95?C. Calculate the coffee's rate of heat loss by radiation

Explain will the joint meet the loss restrictions : The transmitting fiber has a core diameter of 80µm and the receiving fiber has a core diameter of 110µm. The transmitting fiber has n1=1.46 n2=1.40 and the receiving fiber has n1=1.48 and n2=1.46. Will this joint meet the loss restrictions

Determine the time that was recorded on earth : Donovan Bailey set a world record for the 100-m dash on July 27, 1996. find the time that was recorded on Earth

Explain what is the concentration of magnesium ions : 100 microliters of a solution containing 1 mM magnesium chloride are combined with 10 microliters of a solution containing 10 mM magnesium acetate and diluted to a final volume of 1.5 mL. What is the concentration of magnesium ions in the sample

How far is the circular area from the glass window : A fiber has n1=1.53, n2=1.46 and a core diameter of .080 mm. It is to be coupled to a photodiode whose circular sensitive area is 20mm². It has been found that there is 2.75 db of coupling loss present.

User Account

All Pages