Question
Wed August 29, 2012 By: Jayagopal Tr Thoppil Raman

CALCULATE THE UNCERTAINTY IN THE VELOCITY OF A CRICKET BALL OF MASS 150 g IF THE UNCERTAINTY IN ITS POSITION IS OF THE ORDER OF 1 ANGSTROM.

Expert Reply
Mon September 03, 2012

 

?x X  ?v = h /4 ?m

10-10 x ?v  = 6.626 x 10-34 / 4 x 3.14 x 150 x 10-3

           ?v = .0035 x 10-4m/s
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