PHYsics......
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A race car is on a straight track. The race car accelerates from rest, covering 100 m in 5 seconds. What is the acceleration of the race car in m/s^2?

PHYsics...... 
Henry
V = 100m/5s = 20 m/s..
a = (VVo)/t = (200)/5 = 4 m/s^2.
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