Calculate the uncertainty in the velocit...

Calculate the uncertainty in the velocity of a cricket hall (mass `= 0.15 kg)` uncertainty in position is of the order of `1Å`

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`Deltax xx m Deltav=h/(4pi)`
`Deltav=h/(4pi Deltax.m)`
`=(6.6xx10^(-34))/(4xx3.143xx10^(-10)xx0.150)`
`=3.499xx10^(-24)m//s^(-1)`

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