A 328-Kg Car Moving at 19 $13.0 \mathrm {~m} / \mathrm { s }$

question 28

Multiple Choice

A 328-kg car moving at 19.1 m/s in the +x direction hits from behind a second car moving at $13.0 \mathrm {~m} / \mathrm { s }$ in the same direction. If the second car has a mass of $790 \mathrm {~kg}$ and a speed of $15.1 \mathrm {~m} / \mathrm { s }$ right after the collision, what is the velocity of the first car after this sudden collision?

• A) 14.0 m/s
• B) 18.2 m/s
• C) 24.2 m/s
• D) -14.0 m/s

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