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07-02-2024
Physics

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A bullet of mass 10g strikes a fixed target and penetrates 8 cm into it before coming to rest. If the average force of resistance offered by the target is 100 N with what velocity does it strike ? :
A. 10ms⁻¹
B. 20ms⁻¹
C. 30ms⁻¹
D. 40ms⁻¹

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