subject
Physics, 12.05.2021 18:40 trentonmccary2096

A 300W hot plate produces 45,000 J of thermal energy while operating for 2 min. What is the efficiency of this devide? it need to be 80%, 67% 0.8% or 0.67%

ansver
Answers: 3

Another question on Physics

question
Physics, 21.06.2019 16:40
Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge
Answers: 3
question
Physics, 21.06.2019 17:00
Why is there friction between objects
Answers: 1
question
Physics, 21.06.2019 21:00
While listening to operatic solos, musicians process the lyrics and the tunes in separate brain areas. this most clearly illustrates the functioning of different
Answers: 1
question
Physics, 22.06.2019 13:10
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
You know the right answer?
A 300W hot plate produces 45,000 J of thermal energy while operating for 2 min. What is the efficien...
Questions
question
Mathematics, 17.02.2021 07:00
question
Mathematics, 17.02.2021 07:00
question
Mathematics, 17.02.2021 07:00
question
Mathematics, 17.02.2021 07:00
question
Computers and Technology, 17.02.2021 07:00
question
Mathematics, 17.02.2021 07:00
question
Mathematics, 17.02.2021 07:00
question
Health, 17.02.2021 07:00
question
Mathematics, 17.02.2021 07:00
Questions on the website: 13722359