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April 16, 2014

April 16, 2014

Posted by **srikala** on Saturday, May 26, 2012 at 5:55am.

options:

1. 24m

2. 6m

- physics -
**drwls**, Saturday, May 26, 2012 at 7:57am"Spotted by breaks"? Don't you mean "stopped by brakes"?

Stopping distance is proportional to V^2 if the deceleration rate is the same in both cases. That assumption is usually made. The stopping distance gets multiplied by 4 when the speed doubles.

Choose the first answer.

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