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Question
A particle is moving eastwards with a velocity 5m/s, changes its direction northwards in 10 seconds and moves with the same magnitude of velocity. Find the average acceleration of the particle. (in m/s2)
A particle is moving eastwards with a velocity 5m/s, changes its direction northwards in 10 seconds and moves with the same magnitude of velocity. Find the average acceleration of the particle. (in m/s2)
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Solution
The correct option is B 0.707
Final velocity =v2=5→jInitial velocity =v1=5→iAcceleration = Change in Velocity / Time Taken=|(v2−v1)/t|=|0.5→j−0.5→i|=√0.52+0.52=0.707
Hence correct answer is option C
Final velocity =v2=5→j
Initial velocity =v1=5→i
Acceleration = Change in Velocity / Time Taken=|(v2−v1)/t|=|0.5→j−0.5→i|=√0.52+0.52=0.707
Hence correct answer is option C
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