## [Phpmylibrary-users] F which a distant spectator may see so

 [Phpmylibrary-users] F which a distant spectator may see so From: Herriott Cunning - 2009-12-27 12:02:49 Attachments: shrouding.jpg ```Story of Mankind.' Black Tinder.--Tinder that is black by previous charring, or from any other cause, ignites in the sun far sooner than light-coloured tinder. Fire by conversion of motion into heat.--General Remarks.--When a moving body is arrested, heat is given out; the quantity of heat being in exact proportion to the mass, multiplied into the square of its velocity. Thus if a cannon ball be fired at an iron target, both it and the ball become exceedingly hot. There is even a flash of light when the velocity of the ball is very high. When bullets are fire ```

 [Phpmylibrary-users] F which a distant spectator may see so From: Herriott Cunning - 2009-12-27 12:02:49 Attachments: shrouding.jpg ```Story of Mankind.' Black Tinder.--Tinder that is black by previous charring, or from any other cause, ignites in the sun far sooner than light-coloured tinder. Fire by conversion of motion into heat.--General Remarks.--When a moving body is arrested, heat is given out; the quantity of heat being in exact proportion to the mass, multiplied into the square of its velocity. Thus if a cannon ball be fired at an iron target, both it and the ball become exceedingly hot. There is even a flash of light when the velocity of the ball is very high. When bullets are fire ```