A Laboratory Course in Everyday PhysicsMacmillan, 1931 - 205 σελίδες |
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Σελίδα 129
... gives up its latent heat . When I lb. of water at 32 ° F. turns to ice at 32 ° F. , it gives up 144 B. T. U. of heat , and when I g . of water at o ° C. turns to ice at o ° C. it gives up 80 calories of heat . It will be noticed that ...
... gives up its latent heat . When I lb. of water at 32 ° F. turns to ice at 32 ° F. , it gives up 144 B. T. U. of heat , and when I g . of water at o ° C. turns to ice at o ° C. it gives up 80 calories of heat . It will be noticed that ...
Σελίδα 153
... gives 500 X 15,000 = 7,500,000 B. T. U. for $ 1 . Hard wood at $ 8 per cord gives 500 X 7500 B. T. U. for $ 1 . = = = 3,750,000 Petroleum at 20 ct . per U. S. gallon gives 6 X 5 X 20,000 650,000 B. T. U. for $ 1 . Gasoline at 20 ct ...
... gives 500 X 15,000 = 7,500,000 B. T. U. for $ 1 . Hard wood at $ 8 per cord gives 500 X 7500 B. T. U. for $ 1 . = = = 3,750,000 Petroleum at 20 ct . per U. S. gallon gives 6 X 5 X 20,000 650,000 B. T. U. for $ 1 . Gasoline at 20 ct ...
Σελίδα 295
... gives the space traveled in t seconds by a body having an initial velocity v and an accelera- tion of a feet or centimeters per second . The formula s = vt — at 2 gives the space traveled in t seconds by a body having an initial ...
... gives the space traveled in t seconds by a body having an initial velocity v and an accelera- tion of a feet or centimeters per second . The formula s = vt — at 2 gives the space traveled in t seconds by a body having an initial ...
Περιεχόμενα
CHAPTER | 1 |
CHAPTER II | 13 |
CHAPTER III | 20 |
Πνευματικά δικαιώματα | |
16 άλλες ενότητες δεν εμφανίζονται
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
amperes appliances armature atmosphere B. T. U. of heat bell body boiling point Boyle's law British Thermal Unit calories carbon centimeter coil cold water compressed convection cooled copper cubic cylinder Daniell cell density diagram direction distance dynamo electric current electromagnet electromotive force engine equal evaporation example exerted expands experiment fire flask foot pounds force arm fruit press fulcrum gases glass gram hot-water induced current iron jackscrew Joule's law lamp latent heat Leclanché cell lens lever lines of force liquid magnetic lines measure mercury metal meter molecules motor moves north pole object Ohm's law ohms Pascal's law passes pipe piston placed plate poundals pressure produced radiation rays resistance screw shown in Fig sound south pole square inch steam stove stroke substance surface tank temperature thermometer tube turned vacuum valve velocity vibration volts volume warmed watts waves weight arm wire