An automobile approaches a barrier at a speed of \( 20 \mathrm{~m} / \mathrm{s} \) along a level... VIDEO
An automobile approaches a barrier at a speed of \( 20 \mathrm{~m} / \mathrm{s} \) along a level road. The driver locks the brakes at a distance of \( 50 \mathrm{~m} \) from the barrier. What minimum coefficient of kinetic friction is required to stop the automobile before it hits the barrier?https://bit.ly/YTAI_PWAP https://www.pw.live
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