Calendar: 1893-1894 Page 889

SCIENCE AND SAMBROOKE EXHIBITIONS clxxi To man travelling west at 10 miles an hour the wind appears to come from the north-west when he stands still the wind appears to come from point 15 more to the north what is the velocity of the wind If be the measure of an acceleration when feet and 15 seconds are the units of length and of time find the measure when feet is the unit of length and seconds the unit of time mass of 16 grammes hanging freely by string draws mass of 20 grammes up smooth plane inclined at 30 to the horizon find the acceleration and the tension of the string III $i ctf 'Candidates for the Science Exhibitions take Parts and II only Candidates for the Sambrooke Exhibitions may take any nine questions Part -Hydrostatics rectangular plate 30 cm long and 30 cm broad is immersed vertically with its centre at depth of metres in brine of density 11 compare the pressure on the upper half of its surface with that on the lower half also find the pressure on the whole surface sphere of density 095 and volume 100 floats on water Oil of density 09 is poured upon the water the layer of oil being deep enough to cover the sphere how much of the sphere will be immersed in the water Give clear explanation of the manner in which the column of mercury in barometer is supported Why is mercury the liquid generally employed Find the height of glycerine barometer when mercury barometer stands at 30 inches Density of glycerine 27 Enunciate Boyle's law cylindrical tube metre in length and having one end sealed contains dry air The tube is dipped vertically with its open end downwards in tank