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 · 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.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the barbells angular momentum

A weightlifter's barbell consists of two 15-kg masses on the ends of a 20-kg rod 1.6 m long. find the magnitude of the barbell's angular momentum

  What is the least uncertainty in the ducks speed

Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2πJ • s. Fuzzy has a mass of 2.00 kg and is at first known to be within a pond 1.00 m wide.

  What is the voltage difference across each resistor

A 40 ohm resistor and a 60 ohm resistor are connected in series to a 12 volt battery. What is the voltage difference across each resistor

  What is the heaviest weight

A 346-, uniform, 1.04- bar is suspended horizontally by two vertical cables at each end. Cable A can support a maximum tension of 506.0 without breaking, and cable B can support up to 436.0. You want to place a small weight on this bar. What is the h..

  What is the milk velocity

He milk is pumped (at a constant flow rate of 29532 L h-1) through a pipe that has an internal diameter of 65 mm. What is the milk velocity

  Calculate the capacitance of each capcitor

two capacitors, when connected in series have an equivalent capacitance of 200 microfarads. calculate the capacitance of each capcitor

  What total distance did it travel

A good model for a radio antenna is a dipole. P1 is on the perpendicular bisector of the dipole, and P2 is along the axis of the dipole in the direction of dipole vector ˆp. P1 and P2 are both a distance 100m from the center of the dipole.

  Find the amount of time shell is in motion

A 5.00--long ladder has mass 12.5 kg and is leaning against a frictionless wall, making a 64 degree angle with the horizontal. If the coefficient of friction between the ladder and ground is 0.42, what is the mass of the heaviest person who can safel..

  Find out the tension in the string holding the ornament

A 1000kg truck is driving up a 10 degree slope. A 10g ornament hangs by a massless string from the rear-view mirror in truck.

  Illustrate what are the horizontal and vertical components

A submarine dives 110.0 m at an angle of 10.0° below the horizontal. Illustrate what are the horizontal and vertical components of the submarine's displacement?

  How large is the mirror

You are 1.5 m tall and you are standing 2.0 m away from a flat mirror. The Top of the mirror is at the same level as the top of your head. How large is the mirror

  Compute the temperature of the molecules

Consider a balloon being filled up with oxygen. You have approximately 30 moles of oxygen gas in this balloon with volume 1.3 m^3. compute the temperature of the molecules

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd