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The coefficient of kinetic friction between a suitcase and the floor is 0.29. If the suitcase has a mass of 76 kg, how far can
1. 1 answer
2. 403 views
A record was set for stair climbing when a man ran up the 2300 steps of the Empire State Building in 10 minutes and 20 seconds.
1. 2 answers
2. 760 views

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A car of mass 1550 kg traveling at 24 m/s is at the foot of a hill that rises 125 m in 3.4 km. At the top of the hill, the speed of the car is 10 m/s. Find the average power delivered by the car's engine, neglecting any frictional losses

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