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Table tennis ball has a mass of 10gm and a speed of accuracy 90m/s. if speed is measured with an accuracy of 4% what will be the uncertainty in position?



ΔpΔx = h/4π with limits 
whereΔ p is error in momentum which is mΔv where v is velocity 
Δx is uncertainty in position 
h is planks constant 
hence after substituting the given , u can get the answer
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