Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 130
hining upon them than at night when it is cold.Account for this fact. 3. If the volume of a balloon remains constant, where should itsbuoyancy be the greater, near the earths surface or in the upper strataof the air 1 Give reasons for your answer. 4. The volume of a balloon is 2500 cu. m. and the… … Applications of the Laws of Gases 132. Air-Pump. Fig. 147 shows the construction of one ofthe most common forms of pumps used for exhausting airfrom a vessel. When thepiston F is raised, thevalve Vi is closed by itsown weiglit and the pres-sure of the air above it.The expansive force ofthe air in…
Physics
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