B. In a hurricane, the air is blowing over the roof of the house at a speed of 110kmh-1. The density of air is 1.2 kgm-3. a) What is the pressure difference inside and outside the house that tend to lift the roof? (2 marks b) What would be the lifting force on that roof of area 95 m2? (2 marks)​
Answers: 2
Another question on Physics
Physics, 22.06.2019 03:00
Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c
Answers: 2
Physics, 22.06.2019 07:40
Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear
Answers: 2
Physics, 22.06.2019 19:40
Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.
Answers: 2
You know the right answer?
B. In a hurricane, the air is blowing over the roof of the house at a speed of 110kmh-1. The density...
Questions
Physics, 22.04.2020 18:53
History, 22.04.2020 18:53
Biology, 22.04.2020 18:54
Biology, 22.04.2020 18:54
English, 22.04.2020 18:54
English, 22.04.2020 18:54
Mathematics, 22.04.2020 18:54
Mathematics, 22.04.2020 18:54
Biology, 22.04.2020 18:54
