The maximum tension that a 0.5m string can tolerate is 14n., Ask an Expert

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Q1. The maximum tension that a 0.5m string can tolerate is 14N. A 2.5kg ball is attracted to the string being whirled in a vertical circle. What is the maximum speed the ball can have at the top of the circle?

Q2. An electron passes through a slit of width 7.89 x 10-8 m. What is the uncertainty in the electron's momentum component in the direction perpendicular to the slit but in the plane containing the slit?

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