If molecules in substance A are moving at a higher rate than the molecules in substance B,which ...

If molecules in substance A are moving at a higher rate than the molecules in substance B,which substance has the higher temperature?
 
  A) Substance B
  B) Substance A
  C) Molecular motion is not associated with temperature.
  D) They are the same temperature.

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[Ques. 2] How many watts equal one horsepower of work?
 
  A) 746 W = 1 hp B) 3,410 W = 1 hp C) 1,000 W = 1 hp D) 1 W = 1 hp

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[Ques. 3] How much mechanical work is required to lift a 300-lb compressor 3 ft?
 
  A) 300 lb  3 ft = 900 ft-lb of force
  B) Mechanical force alone will not lift the compressor.
  C) 300 lb of force
  D) 300 lb/3 ft = 100 ft-lb of force

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[Ques. 4] How many BTUs will a 10-kW heater produce if operated for an hour?
 
  A) (10 kW/3,410 )  60 = 176 BTU B) 10 kW/3,410 BTU = 2.93 BTU
  C) 10 kW  1 hour  3,410 BTU = 34,100 BTU D) 10 kW 1 hour = 10,000 BTU

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[Ques. 5] Molecules are composed of:
 
  A) Neutrons and protons. B) Electrons and protons.
  C) Atoms. D) Electrons, protons, and neutrons.