Aptitude Test Problems in Physics Science for Everyone by S Krotov ( PDFDrive.com )

Solutions 237 The density pv of vapour at a temperature T = 293 K can be found from the equation of state for an ideal gas: Psaa ...

238 Aptitude Test Problems in Physics be the length of the lower part of the duct where the cast iron is molten, and /^2 be the ...

Solutions 239 where T is the required temperature of the enve- lope of the station. Finally, we obtain Tx=V2T 600 K. 2.36. It fo ...

(^240) Aptitude Test Problems in Physics change in the resistance to its previous value, and the process will be repeated. There ...

Solutions 241 phase at T 1 = 100 °C (this transition can be associated, for example, with the rearrangement of the crystal latti ...

(^242) Aptitude Test Problems in Physics quantity should be regarded as the final height of the centre of mass of mercury. The i ...

Solutions 243 where pi is the initial pressure of the gas. Finally, we obtain Po+ mg /S Pi — 1— Ah/h • 2.42. Let us choose the o ...

244 Aptitude Test Problems in Physics Since the acceleration of the wedge linearly depends on time, for calculating the velocity ...

Electricity and Magnetism 3.1. Due to polarization of the insulator rod AB, the point charge +q1 will be acted upon, in addi- ...

(^246) Aptitude Test Problems in Physics from the charge -1-q% within the angle 2a is equal to the number of lines entering the ...

Solutions 247 electric field strength at point (^0) produced by the surface element AS is given by I a AE = (^) AS cos cp 47E5 ( ...

(^248) Aptitude Test Problems in Physics area of the hatched region is smaller than the area of the large circle by a factor of ...

Solutions (^249) from the positive plate is q i r 2q 11 E (x)= 4neo L x2 (x+ 1) 2 4ne0x3 (x 1). The force .acting on the second ...

250 Aptitude Test Problems in Physics choice of the system of units. If the hemispheres were charged with the same surface densi ...

Solutions (^251) spheres for the case when they have different sur- face charge densities: n.R 2 F= kaia 2 — a las. 3.7. The den ...

252 Aptitude Test Problems in Physics (We assume that the charge and the potential of the large sphere change insignificantly in ...

Solutions (^) 25 3 whence q (^) (42 t a ' b (t). - v b + 5J-1 a l• For an instant t from the second time interval, we find that ...

254 Aptitude Test Problems in Physics 3.12*. Since the sheet is metallic, the charges must be redistributed over its surface so ...

Solutions 255 whose edges contain six identical capacitors. Therefore, we conclude from the symmetry con- siderations that irres ...

(^256) Aptitude Test Problems in Physics 3.16. Let v^1 and v^2 be the velocities of the first and second balls after the removal ...