Engineering, 05.05.2020 23:12 firstone04kr

How many D-cell batteries would it take to power a human for 1 day?

All numbers must be entered as 5000 or 5e3 or 5.0e3 and not with commas as in "5,000" and not as fractions as in "3/4" and not as percentages as in "70%".

Estimate the recomended daily food intake (in Food Calories).

Estimate the daily energy (in joule) a human needs.

Estimate the voltage (in volt) of one D cell battery.

Estimate the charge (in amp-hours) of one D cell battery.

Estimate the energy of one D cell battery (in watt-hour).

Estimate the number of D-cell batteries it takes to power a human for 1 day.

Answers: 3

Show answers

Another question on Engineering

Engineering, 04.07.2019 18:10

Which of the following refers to refers to how well the control system responds to sudden changes in the system. a)-transient regulation b)- distributed regulation c)-constant regulation d)-steady-state regulation

Answers: 1

Answer

Engineering, 04.07.2019 18:20

Amixture of slurry and mud is to be pumped through a horizontal pipe of diameter 500 mm. the fluid behaves as a bingham plastic with a yield stress of 30 pa and viscosity 0.04 pa.s. describe the effects of the shear stress through a transverse section of the pipe by plotting the variation in shear stress and velocity profile: (i) just before the slurry starts to move (ii) as the slurry flows when the pressure gradient is double that in part (i)

Answers: 3

Answer

Engineering, 04.07.2019 19:10

Estimate the change in specific internal energy au and specific enthalpy h from inlet to outlet for ethylene glycol (a liquid) flowing through each of the following devices: (a) a heat exchanger where the glycol temperature increases from 20 °c to 80 °c; (b) a pump operating at about 25 °c and increasing the glycol pressure from 100 kpa to 8 mpa.

Answers: 2

Answer

Engineering, 04.07.2019 19:10

The air in an automobile tire with a volume of 0.015 m3 is at 32°c and 140 kpa gage. determine the amount of air that must be added to raise the pressure to the recommended value of 206 kpa gage. assume the atmospheric pressure to be 128 kpa and the temperature and the volume to remain constant.[r-0.287 kj/kgk]

Answers: 3

Answer

You know the right answer?

How many D-cell batteries would it take to power a human for 1 day?

All numbers must be...

Questions