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The velocity of a projectile at the initial point A is ( $2 \overset{⏞}{i} + 3 \overset{⏞}{j}$ ) m/s. Its velocity (in m/s) at point B is

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-2 i⏞-3j⏞

-2i⏞+3j⏞

2i⏞-3j⏞

2i⏞+3j⏞

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detailed solution

Correct option is C

X component remain unchanged and Y component reverses.

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The velocity of a projectile at the initial point A is (2i⏞+3j⏞) m/s. Its velocity (in m/s) at point B is

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The velocity of a projectile at the initial point A is ( $2 \overset{⏞}{i} + 3 \overset{⏞}{j}$ ) m/s. Its velocity (in m/s) at point B is