A car travels at

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Work Energy and Power · Work Energy and Power

Problem

A 1500 kg1500\,\text{kg} car travels at 20 m s−120\,\text{m}\,\text{s}^{-1}. Braking reduces its translational kinetic energy by 70%70\%. Determine the car’s new speed after braking.

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