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Shown plane mirror is lying in y-z plane. A particle P has velocity $\vec{u} = 5 \hat{i} + 6 \hat{j}$ at t = 0 and acceleration, $\vec{a} = 2 t \hat{j}$ .
Velocity of its image at t = 2 s relative to it is

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Correct option is B

a→=2tj^ dvdt=2tj^ ∫uvdv=∫022tdtj^ v→-u→=2t22j^=t2j^=4j^ v→=5i^+6j^+4j^=5i^+10j^νI=2νM−ν0=2×0−(5i^+(6+2t)j^)At t = 2 sec, νI=5i^+10j^;νI0=νI−ν0Hence, νI0=−5i^+10j^−(5i+10j^)=−10i^

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Shown plane mirror is lying in y-z plane. A particle P has velocity u→=5i^+6j^ at t = 0 and acceleration, a→=2tj^.Velocity of its image at t = 2 s relative to it is

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

Shown plane mirror is lying in y-z plane. A particle P has velocity $\vec{u} = 5 \hat{i} + 6 \hat{j}$ at t = 0 and acceleration, $\vec{a} = 2 t \hat{j}$ .
Velocity of its image at t = 2 s relative to it is