The famous "Magdeburg hemispheres" experiment of 1654 demonstrated
atmospheric pressure. Two teams of horses
couldn't pull the evacuated hemisphere's
apart because the atmosphere

Asmall electric heater, immersed in 80g of water in a calorimeter of 40j/k raises the temperature from 10.5 degree celsius to 25 degree celsius in 12 minutes. using the same apparatus with 50g of oil instead of water, it is found that the temperature of oil rises from 7 degree celsius to 27 degree celsius in 10 minutes. find specific heat capacity of the oil.

What is the moment of inertia i of this assembly about the axis through which it is pivoted? express the moment of inertia in terms of mr

Ajetliner flies east 2000 miles from san francisco to chicago. it has an average air speed of 600 mph relative to the air. what is the velocity of the jetliner relative to the earth if the wind is blowing at 150 mph from the west to east