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A vector 3hat(i) + 4hat(j) rotates about...

A vector `3hat(i) + 4hat(j)` rotates about its tail through an angle `37^(@)` in anticlockwise direction then the new vector is

A

`-3hat(i) + 4hat(j)`

B

`3hat(i) - 4hat(j)`

C

`5hat(j)`

D

`5hat(i)`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-MOTION IN A PLANE -Exercise -II
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