What is his efficiency for the 12.0 h climb

Assignment Help Physics

Reference no: EM131090509

a.Assume that a mountain climber uses oxygen and does work at2.5 times the rate for climbing 116 stairs/min (1.96 L/min, 685 W), because of low air temperature and winds.

a. Calculate how many liters of oxygen a climber would need for12.0 h of climbing. (Note that only 40% of the inhaled oxygen is utilized and the rest is exhaled. Also note that your answer is in liters at sea level.)

b. How much useful work does the climber do if he and his equipment have a mass of94.0 kg and he gains1200 m of altitude?

c. What is his efficiency for the12.0 h climb?

Reference no: EM131090509

Questions Cloud

Incorporating some of the changes : DVDs and DVD players were introduced to the public just 20 years ago; describe what stage of the product life cycle DVDs are currently in and why you feel this to be true, incorporating some of the changes in the way people watch movies.

Performed using a hris system and explain : 1.Select three important functions that can be performed using a HRIS system and explain why you selected each of them as important (meaning how the functions would benefit the HR team and/or the organization).

Create a post that shows emerging performance management : Create a post that presents your view of one or two key emerging performance management topics in current academic or professional debates. Provide references. Present the topics discussed in the articles and explain their importance to the field ..

Consumer behavior : Describe one of your favorite products. Then, visit the Web site for the product. Analyze the colors and other design principles the designers employed.

What is his efficiency for the 12.0 h climb : What is his efficiency for the12.0 h climb?

Kerosene for space heating during winter season : The present price (year 0) of kerosene is $4.30 per gallon, and its cost is expected to increase by 10% per year. (At the end of year 1, kerosene will cost $4.73 per gallon.) Mr. Garcia uses about 800 gallons of kerosene for space heating during a wi..

Management and organisational behaviour : What is the primary reason why you should study management and organisational behaviour?

What is the uncertainty in the speed of the wave found above : What is the uncertainty in the speed of the wave found above?

Environmental and resource conditions : At what organisational level is it necessary to balance strategic actions with environmental and resource conditions?

User Account

All Pages