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A particle is moving in x-y-plane at 2 m/s along x-axis. 2 seconds later, its velocity is 4 m/s in a direction making60 with positive x-axis. Its average acceleration for this period of motion is:-(A) 5 m/s2, along y-axisC) 5 m/s2, along at 60 with positive x-axis (D) 3m/52, at 60 with positive x-akisB) 3 m/, alons y-axiş |
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