12-51. A car starts from rest and travels along a straight road with a velocity described by the graph. Determine the total distance traveled until the car stops. Construct the s-t and a-t graphs. v(m/s) 30 D 30 v=-0.5r+ 45 60 90 - [(s)

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Q: lso determine the average speed and the distance tr

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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.