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4. What is kinetic energy? How is it related to mass?

User Sokolof
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Kinetic energy is the energy of an object in motion. The mass of an object influences its velocity
User MartinodF
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Kinetic energy is the form of energy that an object possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. The amount of kinetic energy an object has depends not only on its motion but also on its mass. In classical mechanics, the kinetic energy of a non-rotating object of mass m traveling at a speed v is (1/2)mv^2. This means that the kinetic energy is directly proportional to the mass of the object . Thus, an object with greater mass can have more kinetic energy even if it is moving more slowly . However, if two objects have the same velocity, the object with greater mass will have more kinetic energy.

User Konr
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