W,—then the accele-ration upon P becomes . . P+Q + R+W^^ (=-^) ™PP° ^^by diminishing R sufficiently, thismay be reduced to as small a quantityas we please. AB is a vertical graduated bar,and 8, T are two platforms capableof motion backward and forward alongthe bar, and of being fixed in any… … 218 OF UNIFORMLY ACCELERATED MOTION. subject to the uniform acceleration yj—and B being caught offat S, P will move on through 8T uniformly with the velocity-acquired. The times occupied in moving through A 8 and BTare observed with considerable accuracy by a contrivance ofclock-work attached to…
Mechanics
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