What is the tension in the string there

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Reference no: EM1387421

Q. A 0.400 kg object is swung in a vertical circular path on a string 0.500 m long. If its speed is 4.10 m/s at the top of the circle, what is the tension in the string there?

Q. An electron moves at right angles to a magnetic field of 0.109 T. What is its speed if the force exerted on it is 9×10-15 N?

Reference no: EM1387421

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