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The stene in the abow ignRa man g 7euls wok were dene in movng the Arn a) Whet the rotenhal engy ote dtre at A7 Inhot s it kinebe enagy at e? d) I시hat n the veleaty of the stone as it lpeus, B? e) hhal the veleity a the stene just beferw it stnikes the nound? secte ratheん man the fede、What unndd belts inehc enex

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2 Caj KEz-) mv2一つ) V-12.KE. x 36 2 X2 ! 2x12 2 KE 71T

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