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Potential energy mgh=6×10×10=600J. As per NCERT, applying relevant law/formula with correct units and sign convention leads to 600 J. This satisfies dimensional consistency and physical conditions given, so option A is scientifically correct.
Ref: NCERT Class 11 Physics > Chapter 6: Work, Energy and Power > Topic: Laws of Motion and Energy Conservation
For motion with constant acceleration in a plane, the x- and y-components are independent of each other. The motion can be treated as two separate one-dimensional motions along perpendicular directions, with each component governed by its own constant acceleration. As per NCERT Class 11 Chapter 2, dimensional analysis checks correctness and SI units define base and derived quantities. This principle confirms that They are independent is correct because its dimensions and unit match the physical quantity asked.
Ref: NCERT Class 11 Physics > Chapter 2: Units and Measurements > Topic: SI Units and Dimensional Formulae
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