What is speed of the block

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Reference no: EM1313696

Q1. A 320 g block on a 50.0 cm long string swings in a circle on the horizontal, frictionless table at 70.0 rpm. What is speed of the block?

Q2. A catcher stops a ball traveling at 28.0 m/s in a distance of 55.30 cm and feels a force of 313 N against his glove. What is the mass of the ball?

Reference no: EM1313696

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