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Compare weight and volume of two bodies, respectively made of tin and lead, if they contain equal amounts of matter.
A tank with liquid, above which is the air, has a hole in the upper lid, which is tightly closed with a stopper. Why after some time does the liquid stop leaking if you open a valve, located at the bottom of the tank? What should be done to ensure the free flow of fluid?
Specific heat of vaporization of the ether is much lower than the specific heat of vaporization of water. Why then does a soaked with ether arm feels a stronger cooling than when it is wetted with water?
Can it be assumed that under normal atmospheric pressure, the water, located in a fairly deep pot, boils at 100ºC?
If it is quite warm and wet in the room, then when you open the vents in winter fog clubs are formed, which descend in the room, and go up on the street. Please explain the phenomenon.
Can a resultant of three equal magnitude forces applied at one point equal zero?
A ball travels 40m in 5.0 sec. What is its average velocity?
Why do glasses cover with mist when a person enters the room from the cold?
At one end of the straw a bubble was blown and the other end of the straw was brought to the flame of a burning candle. Why will the candle flame be deflecting wayside at this?
Where will the water to rise higher: in the capillaries of equal radius, at the foot of a high mountain or at its peak?
