Kinetic & Potential Energy Video Lessons

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Problem: The tomato is dropped. What is the velocity, v, of the tomato when it hits the ground? Assume 83.3 % of the work done in Part A is transferred to kinetic energy, E, by the time the tomato hits the ground.Express your answer with the appropriate units.An object can possess kinetic energy, the energy of motion, and/or potential energy, the energy of position. Energy can be transferred in many ways, one of which is in the form of work. Work, w, is the energy transferred when an object is caused to move a distance, d, against a force, F. Mathematically, we would write this asw=FdForce is the product of mass, m, and acceleration, a:F=maWhen the acceleration is due to gravity, the symbol g is used instead of a, and its value is g = 9.81 m ⋅ s−2.

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The tomato is dropped. What is the velocity, v, of the tomato when it hits the ground? Assume 83.3 % of the work done in Part A is transferred to kinetic energy, E, by the time the tomato hits the ground.

Express your answer with the appropriate units.


An object can possess kinetic energy, the energy of motion, and/or potential energy, the energy of position. Energy can be transferred in many ways, one of which is in the form of work. Work, w, is the energy transferred when an object is caused to move a distance, d, against a force, F. Mathematically, we would write this as

w=Fd

Force is the product of mass, m, and acceleration, a:

F=ma

When the acceleration is due to gravity, the symbol g is used instead of a, and its value is g = 9.81 m ⋅ s−2.

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