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Which is the correct equation for calculating the kinetic energy of an object?
K times E = m times g times h.
K times E = one half m v squared.
K times E = one half a t squared.
K times E = one quarter g squared.
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GPT-5 mini
AI
The correct equation is
K E = 1/2 m v^2
where m is the object's mass and v its speed. (mgh is gravitational potential energy; 1/2 a t^2 is a kinematics displacement formula; 1/4 g^2 has no relevance.)
K E = 1/2 m v^2
where m is the object's mass and v its speed. (mgh is gravitational potential energy; 1/2 a t^2 is a kinematics displacement formula; 1/4 g^2 has no relevance.)
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