Physics, 14.02.2021 09:20 zoeyandblaze
White light is made up of all colors. If white light shines on an orange, which colors will be reflected and which will be absorbed? (1 point)
Answers: 2
Physics, 22.06.2019 01:00
Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.
Answers: 3
Physics, 22.06.2019 02:30
Agas contained within a piston-cylinder assembly undergoes three processes in series: process 1ļ 2: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 2ļ 3: constant pressure expansion to 1 liter. process 3ļ 1: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat
Answers: 2
Physics, 22.06.2019 06:20
Clothing made of several thin layers of fabric with trapped air in between, often called ski clothing, is commonly used in cold climates because it is light, fashionable, and a very effective thermal insulator. so it is no surprise that such clothing has largely replaced thickand heavy old-fashioned coats. (a) consider a jacket made of five layers of 0.1-mm-thick synthetic fabric (k = 0.13 w/mĀ·Ā°c) with 1.5-mm-thick air space (k = 0.026 w/mĀ·Ā°c) between the layers. assuming the inner surface temperature of the jacket to be 28Ā°c and the surface area to be 1.25 m2, determine the rate of heat loss through the jacket when the temperature of the outdoors is 0Ā°c and the heat transfer coefficient at the outer surface is 25 w/m2Ā·Ā°c. (b) what would your response be if the jacket is made of a single layer of 0.5-mm-thick synthetic fabric? what should be the thickness of a wool fabric (k = 0.035 w/mĀ·Ā°c) if the person is to achieve the same level of thermal comfort wearing a thick wool coat instead of a five-layer ski jacket?
Answers: 1
Physics, 22.06.2019 12:00
If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
Answers: 1
White light is made up of all colors. If white light shines on an orange, which colors will be refle...
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