A) \[s\,m/{{s}^{2}}\]
B) \[as\,m/{{s}^{2}}\]
C) \[bs\text{ }m/{{s}^{2}}\]
D) \[-bs\text{ }m/{{s}^{2}}\]
Correct Answer: A
Solution :
Given, \[s=a{{e}^{t}}-b{{e}^{-t}}\] \[\frac{ds}{dt}=a{{e}^{t}}-b{{e}^{-t}}\] Acceleration, \[\frac{{{d}^{2}}s}{d{{t}^{2}}}=a{{e}^{t}}+b{{e}^{t}}=s\,m/{{s}^{2}}\]You need to login to perform this action.
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