content_image/567412.jpg content_image/567411.jpg content_image/567410.jpg content_image/567409.jpg content_image/567408.jpg
where Op is a constant which can be taken from the compilation below: 

<img src='content_image/567412.jpg'>

<img src='content_image/567411.jpg'>

b. Solving the problem given in paragraph 17g (1) by the Burgess formula gives- • 

<img src='content_image/567410.jpg'>

20. Speed developed by g iven horsepower.-a. By transpos› ing the horsepower for mulas the following formulas are obtained for the speed developed by a given horsepower : 

<img src='content_image/567409.jpg'>

b. Problem and. solution.-(1) Problem.-An airship of 195,000- cubic-foot capacity has a power installation of two motors developing 150 horsepower each, or a total of 300 horsepower. The atmospheric density is standard. What speed should be obtained at full powed 

(2) S olution.- Using Burgess’ formula. 

<img src='content_image/567408.jpg'>

