M U 



Ex. 3. Required the same when the force is as 



. 



V va x I 

 can be integrated only in particular cases. 



MOVING Force. See Momentum. 



MOUNTAINS, height of the principal, from the best authorities ; to- 



getJier with the rocks of which they are composed. 



FEET. 

 Dhawalageri (Napaul) 'slaty primitive rocks, as 



gneiss, mica slate, schorl rock ; details unknown . . 27,677 

 36 Peaks of the Himalaya mountains, observed andi Do. from 25,744) 



calculated by Captain Hodgson . * to 17,017 



Jamaturi (Napaul) do do. 25,500 



Chimborazo (highest of the Andes) ~ All these high summits 21,470 



Cajambe (Quito Andes) . . / of the Andcs are of vo1 ' 19,480 



> canic matter resting on in . Krt 



Antisana (highest volcano, Andes) f primitive rockS) such M > 



Cotopaxi (voJLgano, Andes) . . J gneiss, mica slate, &c. 18,875 



C Mount St Elie 18,090 



Popocatepetl (voj^ano of Puebla Mexico) .... 17,720 



Cotocatche (Andes) . 16,450 



Tonguragua (volcano, Quito) 16,270 



Mouna Roa (Owhyhee), volcanic from top to bottom ; all the 



rocks of the island are igneous 15,871 



Mont Blanc (Alps, highest in Europe) granite, syenite, horn- 

 blende slate, in vertical layers 15,W5 



188 



