The cyclist in practice question 2, comes to a stop position within 15 seconds. Calculate his acceleration. (Show your work) Is this an example of positive or negative acceleration?
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It is an example of Negative Acceleration, V=u+at
0 =u+a×15s
-u=a×15s
-u/15=a
a=-u/15s
0 =u+a×15s
-u=a×15s
-u/15=a
a=-u/15s
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