What is the potential energy (compared to the floor) of a 1200N box which is 4.0 m above the floor?
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Q: What is the potential energy (compared to the floor) of a 1200N box which is 4.0 m above the floor?
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- How much potential energy, in Joules, does a spring, with a spring constant of 328 N/m, have if it is compressed by 0.24 meters? Ignore friction.A 3 kg history textbook is placed on a 2 m high desk. How large is the gravitational potential energy of the textbook relative to the floor?A camera weighing 10 N falls from a small drone hovering 20m20moverhead and enters free fall. What is the gravitational potential energy change of the camera from the drone to the ground if you take a reference point of (a) the ground being zero gravitational potential energy? (b) The drone being zero gravitational potential energy? What is the gravitational potential energy of the camera (c) before it falls from the drone and (d) after the camera lands on the ground if the reference point of zero gravitational potential energy is taken to be a second person looking out of a building 30m30m from the ground?
- If a 1000 kg car is exiting a highway through an above-the-ground ramp of 5.0 m radius at 12 m/s, what is the potential energy?The Elf on the Shelf has mass 0.500 kg and is sitting on a shelf some height y above the ground. If the gravitational potential energy is 49.0 J, what is y?A 0.25 kg ball is suspended from a light 1.5 m string as shown. The string makes an angle of 31° with the vertical. Let U = 0 when the ball is at its lowest point (θ = 0). a) What is the gravitational potential energy, in joules, of the ball before it is released? b) What will be the speed of the ball, in meters per second, when it reaches the bottom?
- A 150g book is initially at rest on a table that has no friction. A force of 3.2 N is applied to the book which moves over a distance of 1.2 m. The table is 1.4m high. What is the gravitational potential energy of the book relative to the table?A 99.2 kg object rises by 35.8 m. How much potential energy (in joules) has this object gained?A 2.5 kg bowling ball is tied to a 1m long string attached to the ceiling. The ceiling is 5 m above the floor. What is its change in potential energy relative to the floor? 31.3 J O 122.5 J 98.0 J O 24.5 J