A) \[20\sqrt{2}\,m{{s}^{-1}}\] south-west
B) \[40\,m{{s}^{-1}}\] south-west
C) \[20\sqrt{2}\,m{{s}^{-1}}\] north-west
D) \[40\,m{{s}^{-1}}\] north-west
Correct Answer: A
Solution :
Change in velocity \[=\sqrt{{{(20)}^{2}}+{{(20)}^{2}}=20\sqrt{2}}\] along north-east or south-westYou need to login to perform this action.
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