Question

A vector i cap + root3 j cap rotates about its tail through an angle of 60 degree in clockwise direction find the new vector

Answer 1

Answer:

Vector = i + √3 j

Tan θ = y / x

Tanθ = √3

θ = 60°

Angle between vector and x-axis is 60°

If it is rotated clockwise 60° then it will align along x-axis

It’s magnitude will not change.

Therefore,

Initial magnitude of vector = Final magnitude of vector

1^2 + (√3)^2 = x

x = 4

∴ New vector = 4 i

Explanation:

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