(II) A 980-kg sports car collides into the rear end of a 2300-kgSUV stopped at a red light. The bumpers lock, the brakesare locked, and the two cars skid forward 2.6 m before stopping. The police officer, estimating the coefficient of kineticfriction between tires and road to be 0.80, calculates thespeed of the sports car at impact. What was that speed?

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A: a)

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