A particle is projected with a velocity of \(49\sqrt 2 \) m/sec in a – McqOptions

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1.	A particle is projected with a velocity of \(49\sqrt 2 \) m/sec in a direction making an angle 45° with the horizontal. It will be moving at right angles to the direction of projection after
A.	\(10\sqrt 2 \) sec
B.	10 sec
C.	8 sec
D.	5 sec
Answer» C. 8 sec

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