trebuchet, explain why it is a good illustration of the law of conservation of energy ?
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trebuchet, explain why it is a good illustration of the law of conservation of energy ?
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- 96. Two physics students, Will N. Andable and Ben Pumpiniron, are in the weightlifting room. Will lifts the 100-pound barbell over his head 10 times in one minute; Ben lifts the 100-pound barbell over his head 10 times in 10 seconds. Which student does the most work? Which student delivers the most power? Explain your answers. 7. During the Powerhouse lab, Jack and Jill ran up the hill. Jack i tPhysics What is the potential energy of a river with 5m/s flow speed and 100m3/s of flow? If the leaving water still have 1m/s of speed, what is the annual power output of this run-of-river power station?
- Law of conservation of energy is a false idea. Choose from the choices below: True FalseWhat examples can you find in your home that are examples of kinetic and potential energy? (Name two for each type of energy)11. Kinetic: ___________________________12. Kinetic____________________________13. Potential:__________________________14. Potential:__________________________5. A AA battery is used to power a motor that raises a 10-g pencil tied to a string 33 meters until it is depleted. If 67% of the battery's energy is lost to the surroundings, how much energy was initially stored in the battery? System/Flow E, E, E, E, Position A Position B Energy (J) Energy (J)
- In the above problem energy flows fromYou observe a car of mass 500 kg, moving at speed 5 m/s, collide with a 100 kg trailer that was at rest before the collision. When does the trailer do work on the car? Choose all that are correct. before the collision during the collision after the collision none of theseUsing Kirchoff's Rules determine power dissipated by R4 if: R1: 8ohm, R2: 4ohm, R3: 14ohm, R4: 10ohm, R5: 12ohm, V1: 11V, V2: 14V