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the vector OA where O is given by OA=2i+2j.now it is rotated by 45 degree anticlockwise about O.What willbe the new vector?

the vector OA where O is given by OA=2i+2j.now it is rotated by 45 degree anticlockwise about O.What willbe the new vector?

Grade:12

4 Answers

Aziz Alam IIT Roorkee
askIITians Faculty 233 Points
6 years ago
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Monika
15 Points
2 years ago
OA=√(2)2+(2)2=2√2,px= OAcos90=0,py=psin90=2√2j.coz Paid rotated by 45 and then theta will become 90° hope it would help you
Shamita Taware
26 Points
2 years ago
That was quite a great digramatic answer.
 
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Rupam paul
15 Points
2 years ago
Here the magnitude of the vector is 2√2.. And the magnitude is not changing .... The direction is changing ... The new direction is along the +ve y axis ... And magnitude is same .. So the vector is =
2√2j

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