A) 560
B) 192
C) 240
D) 6
Correct Answer: C
Solution :
\[x={{t}^{3}}-8t\] Differentiating we get \[\upsilon =3{{t}^{2}}-8\] \[\upsilon {{|}_{t=4}}=3\times {{4}^{2}}-8=40\,m/s\] Momentum \[=mv=6\times 40=240\,kg\,m/s\]You need to login to perform this action.
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