The graph below represents the distance-time relationship from Justin and Nicole as they cycled on a road from mile marker 291 to mile marker 298 5.5 5 4,5 4 3.5 3 25 2 +5 1 0,5 -3-2als +1 Justin's distance-time relationship 1234 Nicole's distance-time relationship 7891011121314151617181920 Note that the horizontal axis represents time elapased (in minutes) since passing mile marker 291 and the vertical axis represents the disance traveled (in miles) since passing mile marker 291. a) How does the distance traveled and time elapsed compare for Nicole and Justin as they traveled from mile marker 291 to mile marker 298 ? b) How do Nicole's and Justin's speeds compare as they travel from mile marker 291 to mile marker 298 ? c) How do Nicole's and Justin's average speeds compare over the time interval as they traveled from mile marker 291 to mile marker 298 ? d) Do Nicole and Justin collide on the course 18 minutes after they passed mile marker 291 ? Explain your answer.

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.