47 6 ANIMAL MECHANICS. 



I have calculated the column for n, from equation (142), 

 using the constants 



A = 30.4. 

 ^=0.666. 



7T 



The maximum value of n, and the time of lift correspond- 

 ing to it, are 



Air 



n = — = 22.82 

 4<*> 



t = — «= 1.50 sees. 



2d) 



and the value of o> deduced from the above is 

 w = 1.0472. 



Mr. Nipher's results, from experiments made with his 

 left arm, are given in the following table : — 



No. 2. — Mr. Nipher {Raising weights with Left Arm, at 

 varying rates). 



w = 7 kilos. h = 0.74 metre. 





t. 



n (observed). 



n (calculated). 



Difference. 



I. 



r. 164 sees. 



12.8 



19 \ 



-6.3 



2. 



1.50 „ 



19.7 



19. 6 



+ 0. 1 



3- 



2. 0 



16.2 



18.8 



— 2.6 



4- 



3.o „ 



13.5 



»5-7 



— 2.2 



5- 



4.0 „ 



ir. 7 



12. 9 



— 1.2 



6. 



4-5 >, 



10.8 



ir. 8 



— 1.0 



7- 



5-0 » 



10. 8 



10.8 



0 



8. 



6.0 „ 



9-7 



9.2 





I have calculated the column for n, from equation (142), 

 using the constants 



