subject
Physics, 22.10.2021 22:20 ijohnh14

the filament of a light bulb operates at 2,000 K. It has diameter of 0.80mm and is made of metal of emissivity o.50. What length of the filament is needed if the power of the bulb is 100w

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 01:10
Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.
Answers: 1
question
Physics, 22.06.2019 16:20
What organization and environment is described above?
Answers: 1
question
Physics, 22.06.2019 18:30
Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material
Answers: 2
question
Physics, 23.06.2019 10:00
The standard cell potential (e°cell) for the reaction below is +0.63 v. the cell potential for this reaction is when the concentration of zn2+ = 1.0 m and the concentration of pb2+ = 2.0 x 10-4 m. pb2+(aq) + zn(s) > zn2+(aq) + pb(s)
Answers: 2
You know the right answer?
the filament of a light bulb operates at 2,000 K. It has diameter of 0.80mm and is made of metal of...
Questions
question
Mathematics, 06.10.2019 18:30
question
Mathematics, 06.10.2019 18:30
question
Mathematics, 06.10.2019 18:30
question
History, 06.10.2019 18:30
question
English, 06.10.2019 18:30