It takes 500 J of work to compress a spring 10 cm. What is the force constant of the spring?
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- A worker pushing a 35.0-kg wooden crate at a constant speed for 13.6 m along a wood floor does 400 J of work by applying a constant horizontal force of magnitude F0 on the crate. (a) Determine the value of F0. ____N (b) If the worker now applies a force greater than F0, describe the subsequent motion of the crate. (c) Describe what would happen to the crate if the applied force is less than F0.A block with a mass of m = 2.50 kg is dropped from a height of h = 5.50 m onto a vertical spring as shown in the figure below. Once it hits the spring, the mass compresses the spring 20.0 cm before coming to a stop. What is the spring constant of the spring?1) A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 42 m in 3.1 minutes, what is the average power delivered by the child?
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