The container contains 0.01 mol of gas number. How many molecules of gas in the tank and 23? Take h

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Mechanics. Fundamentals of kinematics. Material point
Locomotive mass M, which was moving at a speed and, coupled with the car mass m moving in the same direction at a speed of s. What is their velocity immediately after the clutch? wtv Mechanics. Conservation laws in mechanics. The law of conservation of momentum
The container contains 0.01 mol of gas number. How many molecules of gas in the tank and 23? Take heed what was Avogadro was 640 mol. Molecular physics and thermodynamics. Basics of the molecular-kinetic theory. Avogadro Constant
Figure showing various cyclical processes in a coordinate system p, V (p - pressure, V- volume), which made the gas constant mass. During the cycle gas is performed most work? cycle in molecular physics and thermodynamics. Fundamentals of thermodynamics. Work in thermodynamics
10 On the surface electrically neutral wtv fluid drops off an electron. Then drop swallowed proton. Elementary electric charge is 1,6-10-19 Cl. Calculate the value of electric charge drops after these transformations. 3,2-10-19 Cl
The figure shows a diagram of the circuit containing two identical capacitors and switch C. Before the experiment, the capacitor C1 is charged to a voltage was 10 V, and capacitor C2 was discharged. After the circuit breaker K voltage on both capacitors wtv has become equal to 5 V. On the conservation of physical quantities which indicates this research?
Two lamps are connected in series, designed for the same voltage and power P = 20 W and P2 = 100 watts. Compare the amount of heat <2 g and 02 that stand out in their respective tubes for the same period of time. The dependence of electrical resistance on temperature is not considered.
Two separate from one another coil of copper wire wound on a common ferromagnetic core (see. Figure). On one of the reels electric current that changes during the study as shown in the graph I (t). Specify the time interval during which the ammeter shows the highest value of current strength.
Figure schematically shows the beam of light crosses the main optical wtv axis of a thin lens cleaning and falls on its surface. Specify the further course of the beam. 2 Waves. Optics. Imaging, which provides a thin lens
19 red limit of the photoelectric effect for certain metals that are cathode wtv photocell is molybdenum. Enter a formula to calculate the stop (holding) voltage of which should be applied to the photocell to hold electrons are emitted from the metal during its irradiation with light of wavelength X (X <molybdenum). c - speed of light in vacuum, and - Planck's constant, e - electron charge. Quantum physics. wtv Elements of the theory of relativity. Light quanta. wtv Einstein for the photoelectric effect
21 Set the matching between body movement and direction of acceleration. apple falling from a tree in calm weather - towards speed of the body movement of the ball, which flies up at an angle to the horizon - at an obtuse angle to the direction of the velocity of the body of the car braking wtv without change wtv of direction - opposite wtv to the direction of the velocity of the body motion of an artificial satellite Earth in the circular orbit - at right angles to the direction of the velocity of the body
22 Set the correspondence between name izoprotsesu what happens to the ideal gas constant mass and schedule that corresponds to this process (p - pressure, V- volume, T - temperature). Molecular physics and thermodynamics. Basics of the molecular-kinetic theory. Izoprotsesy in gases
23 Set the matching between the type of radiation and its Specifications: ykoyu. Infrared - used in night vision devices, ultra - causes sunburn wtv X - is the result of inhibition of fast electrons at the anode gamma radiation - resulting from unauthorized decay of atomic wtv nuclei
24 Set the correspondence between the achievement of physical science and the author of the opening (outstanding scientist whose contribution was the most important). Pressure measuring light - P. Lebedev create the planetary model of the atom - E. Rutherford the theory of the photoelectric effect - A. Einstein creation of the first nuclear reactor - E. Fermi
26 balloon filled with gas whose density is 6 times less than the density of air. How many times will increase the allowable cargo weight, which can raise the ball if it gas fueled, so that its density is reduced wtv by half? Weighing ignore bullet shell. Mechanics. Elements of mechanics wtv of liquids wtv and gases. Buoyancy force. Terms swimming bodies
The open bowl of water, whose temperature is 20 C, put on an electric stove. After 8 minutes to boil water. How long you want the whole water turned into steam? Specific heat of water is 4200 J / (kg-K), the specific heat of vaporization of water is 2.1 MJ / kg. You