subject
Physics, 20.07.2021 09:10 israel8471

20 The metal surface of a kettle is hot. What happens to the cool air outside the kettle when it comes into contact with the hot kettle? A The density of the air decreases and the air falls.
B The density of the air decreases and the air rises.
C The density of the air increases and the air falls.
D The density of the air increases and the air rises.​

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 21:30
The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output
Answers: 2
question
Physics, 22.06.2019 12:20
What is the coefficient of kinetic friction ΞΌk between the block and the tabletop?
Answers: 1
question
Physics, 22.06.2019 15:00
Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.
Answers: 1
question
Physics, 22.06.2019 21:30
Aperson touches a large chunk of ice with their hand and remarks, β€œthis is making me cold.” explain what this person is feeling. is the ice transferring β€œcold” to the person? is there a heat transfer occurring? explain.
Answers: 1
You know the right answer?
20 The metal surface of a kettle is hot. What happens to the cool air outside the kettle when it com...
Questions
question
Mathematics, 12.03.2022 14:00
question
Mathematics, 12.03.2022 14:00
question
Spanish, 12.03.2022 14:00