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\( \leftarrow \) Quiz 2 - Dynamics
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Câu hỏi 4
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The gravitational potential energy of an object near the surface of the Earth is \( \mathrm{U}=\mathrm{mgh} \), where h is the object's height relative to:
Answer
a. the ground.
b. the Earth's center.
c. the loweat point of the object.
d. the reference level.
Clear my choice