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Q. 19

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 287

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Short Answer

The parking brake on a Cadillac has failed, and it is rolling slowly, at , toward a group of small children. Seeing the situation, you realize you have just enough time to drive your Volkswagen head-on into the Cadillac and save the children. With what speed should you impact the Cadillac to bring it to a halt?

The speed will be

See the step by step solution

Step by Step Solution

Step 1: Given information

We have given,

speed of Cadillac =

Mass of Cadillac=

Mass of Volkswagen =

We have to find the speed of Volkswagen.

Step 2: Simplify

According to conservation of momentum, the initial momentum of the system will be same after the Collison.

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