This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The surface tension of water is 0.073 N/m. How high will water rise in a capillary tube of diameter ... (Read 135 times)

imanialler

  • Hero Member
  • *****
  • Posts: 539
on: Jul 27, 2018
The surface tension of water is 0.073 N/m. How high will water rise in a capillary tube of diameter 1.20 mm?
 
  What will be an ideal response?

Question 2

Ice cream, when eaten, gives about 2100. Calories/kg to the body. On the other hand, the body must give back energy to warm it up to body temperature (37C). Assuming ice cream has similar thermal properties to water:
 
  (a) 1/2 kg produces how much energy?
  (b) 1/2 kg absorbs how much energy to reach 37C?
  (c) What is the net gain or loss (eating 1/2 kg ice cream)?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

2.5 cm

Answer to Question 2

(a) 1.05 kCal = 4.40 MJ
(b) 0.24 MJ melting and warming
(c) 4.16 MJ net body gain


imanialler

  • Member
  • Posts: 539
Reply 2 on: Jul 27, 2018
Gracias!

tanna.moeller

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how
Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo
Osmosis: Water moves from an area of low solute concentration to an area of higher solute ... Osmosis: Water moves from an area of low solute concentration to an area of higher solute ...
Surface molecules involved in the interaction between an antigen-presenting cell and a CD4+ T cell. Surface molecules involved in the interaction between an antigen-presenting cell and a CD4+ T cell.
Rising sea level: Some areas will be affected by a rise of just 40 cm Rising sea level: Some areas will be affected by a rise of just 40 cm
Per capita consumption of power is high in the developed world and highest in the United States Per capita consumption of power is high in the developed world and highest in the United States
Video: Cardiac Cycle (Part 4 of 4)

For a complete list of videos, visit our video library