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  1. E

    A 160 g block on a 56 cm-long string swings in a circle on a horizontal,

    frictionless table at 63 rpm? (a) What is the speed of the block? (b) What is the tension in the string?
  2. E

    You observe a bicycle moving with a horizontal velocity of 3 m/s for 9 s. The...

    ...bicycle (including the rider) ha? You observe a bicycle moving with a horizontal velocity of 3 m/s for 9 s. The bicycle (including the rider) has a mass of 95 kg. What is the (net) horizontal force acting on the bicycle during this time?
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