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101. Aparticle is moving with a velocity of 10m/s towardseast. After 10 s its velocity changes to 10m/stowards north. Its average accelaration is:-(1) zero2 m/s2 towards N-W(3) a m/s towards N-W(4)m/s2 towards N-W |
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Answer» The average acceleration is (change in Velocity)/time =>vf = 10j , vi = 10i , t = 10 so avg. a = (10j-10i)/10 = 1j-1i = √2( j-i) North-west option 2 |
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