The velocity of image when object and mirror both are moving towards each other

The Velocity Of Image When Object And Mirror Both Are Physics QuestionThe Velocity Of Image When Object And Mirror Both Are Physics Question

The velocity of image when object and mirror both are moving towards each other with velocities 4 ms⁻¹ and 5 ms⁻¹ respectively, is

Options

(a) (-14ms⁻¹)
(b) 15ms⁻¹
(c) (-9ms⁻¹)
(d) 14ms⁻¹

Correct Answer:

(-14ms⁻¹)

Explanation:

ʋ(OM) = Velocity of object with respect to mirror = -ʋ(IM)

(Here, -ʋ(IM) = velocity of image with respect to mirror)

ʋ(o) – ʋ(M) = -[ʋ(I) – ʋ(M)]

4 ms⁻¹ – (-5 ms)⁻¹ = -ʋ(I) + (-5 ms⁻¹)

ʋ(I) = – 14 ms⁻¹

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