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The uncertainties in t he velocities of ...

The uncertainties in t he velocities of two particles A and B are 0.05 and `0.02 m s^-1` respectively. The mass of B is five times to that of the mass of A . What is the ratio of uncertainties`((Deltax_A)/(Deltax_B))` in their positions?

A

2

B

0.25

C

4

D

1

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