Uncertainty in the position of a moving bullet of mass, Chemistry

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The uncertainty in the position of a moving bullet of mass 10 gm is 10 -5m  . Calculate the uncertainty in its velocity:

(1) 5.2 x 10-28 / sec                        

(2)  3.0x 10 -28m /sec     

(3) 5.2 x 10 -22m /sec                    

(4) 3x 10 -22m /sec

Ans: 5.2 x 10-28 / sec

 


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