Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 134
, the great-est range is obtained at an angle of 45°; but practically, onaccount of the resistance of the air, it is at a little less than 40°. Fig. 88. … Every projectile is acted upon hy two forces : (1) the force ofgravity, and (2) the resistance of the air. It also has a certainvelocity and direction at the instant of projection. If thisvelocity and direction are known, and the resistance of the air isdisregarded, the path of a projectile can be…
Physics
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