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Suppose a sled is being pulled by a Bernese Mountain dog across the snow (hisname...

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Suppose a sled is being pulled by a Bernese Mountain dog across the snow (hisname was Berg). The 42.9 kg sled starts at rest and speeds up to 2.59 m/s over 5.64 m.a) Calculate the change in kinetic energy of the sled.b) Calculate the average net force on the sled.c) Calculate the average power exerted on the sled this motion occurred over 10.7 s.

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