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A plane mirror is placed yz - plane facing towards negative x axis. The mirror moving parallel to y axis with a speed of 5cm/s. A point object P is moving infront of the mirror with a velocity $(3 cm / s) \bar{i} + (4 cm / s) \bar{j} + (5 cm / s) \bar{k}$ . The velocity of image respect to mirror is

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$(- 3 cm / s) \bar{i} + (4 cm / s) \bar{j} + (5 cm / s) \bar{k}$

$(3 cm / s) \bar{i} - (4 cm / s) \bar{j} - (5 cm / s) \bar{k}$

$- (3 cm / s) \bar{i} - (4 cm / s) \bar{j} - (5 cm / s) \bar{k}$

$(- 3 cm / s) \bar{i} + (4 cm / s) \bar{j} - (5 cm / s) \bar{k}$

answer is A.

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Only x- component is reversed

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