8:  The kinetic energy E of a body is proportional to its weight W and the square of its velocity v.  A 10 lb body moving at 6 ft/sec has an 8 ft – lb of kinetic energy.  How much is the kinetic energy of a 2 ton ( 4,000 lb ) truck speeding at 45 kph ( 66 ft/sec )?. Select one: a. 268,400 ft – lb b. 325,500 ft – lb c. 387,200 ft – lb      d.  258,900 ft - lb

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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8: 

The kinetic energy E of a body is proportional to its weight W and the square of its velocity v.  A 10 lb body moving at 6 ft/sec has an 8 ft – lb of kinetic energy.  How much is the kinetic energy of a 2 ton ( 4,000 lb ) truck speeding at 45 kph ( 66 ft/sec )?.

Select one:
a. 268,400 ft – lb
b. 325,500 ft – lb
c. 387,200 ft – lb     
d.  258,900 ft - lb  
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