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relationship between stopping distance and initial speed

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1.The acceleration of a freely falling body is not exactly the same everywhere on Earth. For example, in the Galapagos Islands at the equator, is 9.780 m/s2, while at the latitude of Oslo, Norway, it is 9.831 m/s2. Why does the acceleration differ?

2. Assume that as a car brakes to stop it undergoes a constant acceleration (deceleration). Explain why the stopping distance becomes four times as large if the initial speed is doubled.

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Solution Summary

This solution helps explore physics concepts such as acceleration on different parts of the earth, as well as the relationship between stopping distance and initial speed.

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