A) \[20\sqrt{2\,}\,m{{s}^{-1}}\]south-west
B) 40 ms-1 south-West
C) \[20\sqrt{2\,}\,m{{s}^{-1}}\] north-west
D) \[40\text{ }m{{s}^{-1}}\] 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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