izzzyyy4101 izzzyyy4101

27-02-2024
Physics

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A sled and rider, gliding over horizontal, frictionless ice at 4.0 m/s, have a combined mass of 80.0 kg. The sled then slides over a rough spot in the ice, slowing down to 3.0 m/s.What impulse was delivered to the sled by the friction force from the rough spot?

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