subject
Physics, 25.01.2022 02:00 conradbeckford6813

An electric kettle has a power rating of 2.4kW. How long does it take the kettle to heat up 4.5kg of tap water from 28°C to 100°C ? (c of water = 4200Jkg1°C-) What assumption must you make to arrive the answer ? pls helppp

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 18:00
Aplane flies directly between two cities, a and b, which are separated by . from a to b, the plane flies into a headwind. on the return trip from b to a, the wind velocity is unchanged. the trip from b to a takes less than the trip from a to b. what is the airspeed of the plane, assuming it is the same in both directions
Answers: 1
question
Physics, 21.06.2019 18:30
Which property of fossils allow scientists to determine the relative rock ages..
Answers: 1
question
Physics, 22.06.2019 06:30
From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.
Answers: 1
question
Physics, 22.06.2019 12:20
What is the coefficient of kinetic friction μk between the block and the tabletop?
Answers: 1
You know the right answer?
An electric kettle has a power rating of 2.4kW. How long does it take the kettle to heat up 4.5kg of...
Questions
question
English, 06.10.2019 22:30