3 Father's 60th Birthday Speech By Daughter

REVIEW GUIDE FOR PHYSICS SEMESTER IV

NOTE: Remember that the guide answered a requirement to submit review. On Monday 18 will review progress with their guide and clarify doubts

THEORY ( understand and interpret these concepts)
Elasticity, Hooke's general law, effort, yield, hydraulics, hydrostatics, hydrodynamics, specific gravity, density, relative density, pressure, Pascal's principle, Archimedes' principle, laminar flow, expenses, temperature , heat, heat, Boyle's Law, Charles Law, Gay-Lussac, mol, calorie, kilocalorie, British thermal unit, latent heat of fusion, latent heat, first law of thermodynamics, adiabatic process, process isochoric, isothermal and second laws of thermodynamics.

B) MEET THE FOLLOWING PROBLEMS
1. When a 500 g mass hangs from a spring, it extends 3 cm. What is the spring constant?
2. At one end of a spring 6 has crashed in a weight of 4 lb, so the new length of the spring is 6.5 in What is the spring constant?
3. The cross-sectional area of \u200b\u200ba copper rod is 4.5cm2. What is the weight or maximum force that can stand? RL = 338x106 Pa
4. A mass of 500 kg is hung from the end of a metal wire whose length is 2 m and is 1 mm in diameter. If the wire is stretched 1.40 cm, what have been the stress and strain? What is the Young's modulus in the case of this metal?
5. An aluminum wire 150 cm in length and 2.46 cm 2 cross sectional area is suspended from the ceiling. What weight at its lower end supports if you have an aspect ratio of 0.5x10-4 m? Y = 68.900 x106Pa
6. A shear force of 26 000 N is uniformly distributed over the cross section of a pin of 1.3 cm in diameter. What is the shear stress?
7. A pressure of 3 x 108 Pa is applied to a block whose volume is 0,500 m3. If the volume decreases by 0,004 m3, which is the bulk modulus?
8. The bulk modulus for a particular type of oil is 2.8 X1010 Pa. How much pressure is required for volume decrease according to a factor of 1.2%?
9. The air has a density of 1.29 kg/m3 at standard conditions. What is the mass of air in a room with dimensions 10 mx 8 mx 3 m?
10. Determine the mass of an aluminum cube that is 5 cm per side. The density of aluminum is 2700 kg/m3.
11. Find kilopascals pressure produced by a column of mercury 55 cm high
12. A tube containing water at a gauge pressure of 400, 000Pa. If you cover a hole of 4 mm in diameter in the tube with a piece of tape, what force must be capable of withstanding the tape?
13. The pressure gauge in an automobile tire is of 28 Ib/in2. If the wheel supports 1 000 lb, what is the area of \u200b\u200bthe tire in contact with the ground?
14. A force of 400N is applied to the small piston of a hydraulic press whose diameter is 4 cm. What should be the diameter of the large piston so you can lift a load of 200 kg?
15. A solid object weighs 8 N in the air. When this object is hung from a spring balance and submerged in water, its apparent weight is only 6.5 N. What is the density of the object?
16. A solid piece of aluminum ( = 2.70 g/cm3) "weighs" 8.35 g in the air. If it is submerged in a tank of oil ( = 0.75 g/cm3) by a rope, what is the tension in the rope?
17. To fill a gasoline storage tank was sent an expenditure of 0.1 m3 / s during a time of 200 s. How large is the tank?
18. Calculate the diameter must have a pipe, so that spending is of 0,025 m3/sa a speed of 5m / s
19. For a pipe of 5.08 cm in diameter, water flow rate of 1.6 m / s. Calculate the speed you carry the water passes through a narrowing of the pipe where the diameter is 4 cm.
20. Through a horizontal tube of variable cross section provides a flow of water. In a place of absolute pressure is 140,000 Pa and speed is 0.8m / s. Determine the pressure elsewhere in the same tube, where speed is 4m / s
21. The boiling point of oxygen is -297.35 ° F. Express this temperature in degrees kelvin and degrees Celsius.
22. A gas sample is cooled to -120 to -180 ° C. Express the temperature variation in degrees kelvin and
23. A piece of copper pipe is 6 m in length at 20 ° C. What will increase in length when heated to 80 ° C?  = 1.7x10-5 / C
24. The diameter of a hole in a steel plate is 9 cm when the temperature is 20 ° C. What is the diameter of the hole at 200 ° C?  = 1.2x10-5 / C
25. A silver square plate measures 8 cm per side at 20 ° C is heated to 100 ° C, what is the new area of \u200b\u200bthe copper plate?  = 1.7x10-5 / C
26. If 200 cm3 of benzene exactly a cup filled with aluminum at 40 ° C and the system is cooled to 7 ° C, how much benzene (at 18 ° C) can be added to the cup without spilling?  Al = 2.4x10-5 / C, β = 12.4x10-4 / C
27. Pyrex flask has an internal volume of 600 ml at 20 ° C. What temperature is the interior volume of 603 ml?
28. An ideal gas occupies a volume of 4.00 m3 at an absolute pressure of 200, 000Pa. What will the new pressure if the gas is compressed slowly to 2.00 m3 at constant temperature?
29. A steel cylinder contains an ideal gas at 27 ° C. Gauge pressure is 140,000 Pa. If the pot temperature rises to 79 ° C, what will the new pressure gauge?
30. An air compressor receives 2 m3 of air at 20 ° C and pressure of one atmosphere (101.300Pa). If the compressor discharge in a 0.4 m3 tank at an absolute pressure of 200.000 Pa 1, what is the temperature of discharged air?
31 .. Three moles of an ideal gas have a volume of 0,026 m3 and a pressure of 300.000 Pa. What is the gas temperature in degrees Celsius?
32. How many pounds of nitrogen gas (M = 28 g / mol) fill a volume of 2 000 liters at an absolute pressure of 202.000 Pa and a temperature of 80 ° C?
33. How much heat is required to change the temperature of 400g of asbestos (c = 0.2cal/gC °) 20 ° C to 70 ° C
34. How much aluminum (c = 0.22cal/gC °) at 20 ° C will be added to 400 g of hot water at 80 ° C for the equilibrium temperature is 30 ° C?
35. A piece of metal of 450 g is heated to 100 ° C and then dropped into the bowl of an aluminum calorimeter contains 50 g to 100 g of water. The initial temperature of the cup and water is 10 ° C and the equilibrium temperature is 21.1 ° C. Find the specific heat of metal.
36. A worker pulls a piece of iron of 2 kg of an oven and places it in an aluminum container of 1 kg, which was partially filled with 2 kg of water. If the water temperature rises from 21 to 50 ° C, what was the initial temperature of iron?
37. In a smelting oven is a cast fully up to 540 kg of copper. If the initial temperature of copper was 20 ° C, how much total heat needed to melt copper?
38. How much heat is released cuando300 g total steam at 140 ° C into ice at -10 ° C?