By S.S. Krotov
ISBN-10: 8123904886
ISBN-13: 9788123904887
Read Online or Download Science for Everyone: Aptitude Test: Problems in Physics PDF
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Extra resources for Science for Everyone: Aptitude Test: Problems in Physics
Example text
X) must be used to describe the cross section of this surface for the rod to remain in equilibrium in any position even in the absence of friction? Assume that the rod remains all the time 43 4. Mechanics in the same vertical plane perpendicular to the plane of the wall. 90. A thin perfectly rigid weightless rod with a point-like ball fixed at one end is deflected through a small angle a from its Fig. 46 Fig. 47 equilibrium position and then released. At the moment when the rod forms an angle (3 < a with the vertical, the ball undergoes a perfectly elastic collision with an inclined wall (Fig.
What will be the difference h in their heights if the mass of the first piston is made as large as the mass of the second piston? 2. The temperature of the walls of a vessel containing a gas at a temperature T is Twall• In which case is the pressure exerted by the gas on the vessel walls higher: when the vessel walls are colder than the gas (Twan < T) or when they are warmer than the gas (Twall > T)? 8. A cyclic process (cycle) 1 2 3 4 1 consisting of two isobars 2 3 and 4 1, isochor 1 2, and a certain process 3 4 represented by a straight line on the p V diagram (Fig.
Three moles of- an ideal monatomic gas perform a cycle shown in Fig. 58. The gas temperatures in different states are P / 2 1 //.. , 4 '7'.... Fig. 58 T1 =400 K, T2 = 800 K, T3 = 2400 K, and T4 =1200 K. Determine the work A done by the gas during the cycle. 5. 1 4 --* 3 2. Heat and Molecular Physics 55 2 —0-1 shown in Fig. 59 if pi = 105 Pa, Po =3 X 105 Pa, p2 =4 X 106 Pa, V2 V1 = 10 1, and segments 4-3 and 2-1 of the cycle are parallel to the V-axis. P. Pr V1 v2 V Fig. 6. A gas takes part in two thermal processes in which it is heated from the same initial state to the same final temperature.
Science for Everyone: Aptitude Test: Problems in Physics by S.S. Krotov
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