A) \[15m/{{s}^{2}}~\]
B) \[10m/{{s}^{2}}\]
C) \[2.5m/{{s}^{2~}}\]
D) \[5m/{{s}^{2}}\]
Correct Answer: D
Solution :
[d] \[{{F}_{ext}}=\frac{d}{dt}(mv)\] \[{{F}_{ext}}=V\frac{dm}{dt}\] \[ma=V\frac{dm}{dt}\] \[4a=10\times 2\] \[a=5m/s\]You need to login to perform this action.
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