A) \[12\,\,m{{s}^{-2}}\]
B) \[6\,\,m{{s}^{-2}}\]
C) \[3\,\,m{{s}^{-2}}\]
D) zero
Correct Answer: A
Solution :
[a] Average acceleration \[\frac{change\text{ }in\text{ }velocity}{~~time\text{ }taken}\] \[=\frac{30-(-30)}{5}\] \[=\frac{60}{5}\] = 12 ms-2You need to login to perform this action.
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