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An applied force changed the momentum of a shopping cart by 10 kg m/s. If the applied force was 20 N, how long was the duration of the force?
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At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
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An applied force changed the momentum of a shopping cart by 10 kg m/s. If the applied force was
20...