Design of Machine Elements

Q.  If an unsupported uniform cross sectional elastic bar is subjected to a longitudinal impact from a rigid bob moving with velocity v, then a compressive wave of intensity sc is propagated through the bar as follows______________________?

a. vpE
b. vVvF
c. WpE/2
d. IvHpE
e. none of the above, where E = modulus of elasticity and p = mass density


ANSWER: See Answer
 
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