Physics, 30.07.2021 01:10 jakepeavy70
A room in the house has dimensions as 4 meters by 5 meters by 3 meters. Under normal condition (room temperature 25 degree Celsiusand atmospheric pressure), estimate the number of air molecules in the room. Hint: we went through a similar problem in the lecture.
Answers: 2
Physics, 21.06.2019 22:30
During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?
Answers: 2
Physics, 22.06.2019 18:30
Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?
Answers: 3
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
A room in the house has dimensions as 4 meters by 5 meters by 3 meters. Under normal condition (room...
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