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A capillary rise experiment is proposed for a high school physics class. The students are told that for water in clean glass tubes, the contact angle between liquid and glass (θ)is 90°. The students are asked to measure capillary rise in a series of tube diameters (D=0.02, 0.04, 0.06, 0.08, and 0.10 in.). They are then asked to graph the results and determine the approximate tube diameters that would produce capillary rises of 1.5, 1.0, and 0.5 in. Predict the results if the water used in the experiment is at 20°C. The Provided answers  for h=1.5 in D=0.0301 inforh=1.0 in D=0.0452 infor h=0.5 in,D=0.0904 in Can not figure this out  .

A capillary rise experiment is proposed for a high school physics class. The students are told that for water in clean glass tubes, the contact angle between liquid and glass (θ)is 90°. The students are asked to measure capillary rise in a series of tube diameters (D=0.02, 0.04, 0.06, 0.08, and 0.10 in.). They are then asked to graph the results and determine the approximate tube diameters that would produce capillary rises of 1.5, 1.0, and 0.5 in. Predict the results if the water used in the experiment is at 20°C. The Provided answers  for h=1.5 in D=0.0301 inforh=1.0 in D=0.0452 infor h=0.5 in,D=0.0904 in Can not figure this out  .

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A capillary rise experiment is proposed for a high school physics class. The students are told that for water in clean glass tubes, the contact angle between liquid and glass (θ)is 90°. The students are asked to measure capillary rise in a series of tube diameters (D=0.02, 0.04, 0.06, 0.08, and 0.10 in.). They are then asked to graph the results and determine the approximate tube diameters that would produce capillary rises of 1.5, 1.0, and 0.5 in. Predict the results if the water used in the experiment is at 20°C.

The Provided answers 

for h=1.5 in D=0.0301 in
forh=1.0 in D=0.0452 in
for h=0.5 in,D=0.0904 in

Can not figure this out 


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