A) \[10\,m/{{s}^{2}}\]
B) \[5\,m/{{s}^{2}}\]
C) \[2\,m/{{s}^{2}}\]
D) \[7\,m/{{s}^{2}}\]
Correct Answer: A
Solution :
Average acceleration \[\text{= }\frac{\text{change in velocity}}{\text{time}}\] \[=\frac{25-(-25)}{5}\] \[=10\,m/{{s}^{2}}\]
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