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Question

A 800kg car at 12m/s hits a spring (k\=4×103N/m). What is the maximum compression?

Options

Choose one · Correct answer highlighted

Explanation

Initial K=12×800×122=57600J. As per NCERT, applying relevant law/formula with correct units and sign convention leads to 5 m. This satisfies dimensional consistency and physical conditions given, so option A is scientifically correct.