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A lady is pulling her luggage that has a mass of 24 kg. What is the work done by the lady on the luggage if her arm exerts 34 N of force at an angle of 30° from the ground? Assume she is walking with a constant velocity of 1.4 m/s for 18.7 s.
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What is the total power exerted on the luggage by the lady?
watts
a 2kg mass ona horizontal frictionless surface is attached to the free end of an ideal spring of stiffness k=30N/m. by what distance is the spring compressed as the mass comes to rest again
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