ScholarMatic: Explanation & Answer
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Lab 8 Energy-Bar Graphs IV Somers 5.4 NAME____________ The diagram below shows a block that is released from rest and slides down a plane that is inclined an angle ? with respect to the horizontal. Initially it is released a vertical distance ho above the bottom of the incline. When it is a vertical distance hf above the bottom of the incline, it has speed vf. The coefficient of kinetic friction between the block and incline is ?k. The EF EI system includes everything. Use conservation of energy to write an equation describing the situation in part a. Be certain to properly label all distances, charges, velocities, masses, etc. If no label is given then provide one. NAME____________ Lab 8 Energy-Bar Graphs III Somers 5.3 The diagram below shows a person lowering a block down towards the earth by way of a rope. Initially, the block is moving with speed vo. After the block has been lowered a distance h, it comes to rest. The system includes the earth and the block. Neglect any effects due to air resistance E EI Use conservation of energy to write an equation describing the situation in part a. Be certain to properly label all distances, charges, velocities, masses, etc. If no label is given then provide one. F NAME____________ Lab 8 Energy-Bar Graphs III Somers 5.3 The diagram below shows a block sitting against a spring. The block proceeds to slide along a loop-to- loop track until it is stopped by a bail of hay. The system includes everything except the bail of hay. Three states, A, B, and C are listed. State A is after the block has left the spring, B is when the block is at the highest location on the loop, and C is when the block has been stopped by the bail of hay. Draw a bar graph to represent the conservation of energy for this situation from state A to EF state C. Include friction between the track and the block. E I Use conservation of energy to write an equation describing the situation in part a. Be certain to properly label all distances, charges, velocities, masses, etc. If no label is given then provide one. Lab 8 Energy-Conservtion of Energy 5.10 NAME____________ A block slides down a hill. The block comes to rest when it collides with a spring at the bottom of the hill. The final state is the instant just before the block hits the spring. The system includes EF everything except the spring. EI Use conservation of energy to write an equation describing the situation in part a. Be certain to properly label all distances, charges, velocities, masses, etc. If no label is given then provide one. Lab 8 Energy-Bar Graphs II Somers 5.2 NAME____________ The diagram below shows a ball of mass m resting against a compressed spring with spring constant k. Later the ball has dropped a vertical distance H and is moving with speed vf. The EF system includes the ball, spring, surface, and the earth EI Use conservation of energy to write an equation describing the situation in part a. Be certain to properly label all distances, charges, velocities, masses, etc. If no label is given then provide one. Lab 8 Energy-Bar Graphs IV Somers 5.3 NAME____________ The diagram below shows a block of mass m resting against a spring with spring constant k that has been compressed a distance x. After the block has slid a distance d, it has speed vf. The coefficient of kinetic friction between the block and surface is ?k. Later, the block is sliding EF EI horizontally across the surface. The system includes everything. Use conservation of energy to write an equation describing the situation in part a. Be certain to properly label all distances, charges, velocities, masses, etc. If no label is given then provide one.
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ScholarMatic: Explanation & Answer
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