ch02-p079 - 79. We take +x in the direction of motion, so...

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m/s 2 . The displacement (which in this situation is the same as the distance traveled) to the point it stops ( v 2 = 0) is, using Eq. 2-16, 2 22 20 2 (30 m/s) 29 0 m . 2( 5 m/s ) vv a x x =+Δ ¡ Δ=− = 79. We take + x in the direction of motion, so
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