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If a body starting from rest travels with a uniform acceleration of 10 ms-2 for first 10 second and with uniform acceleration 5 ms-2 for next 20 seconds, then average acceleration of the body for 30 s is

Answer» If a body starting from rest travels with a uniform acceleration of 10 ms-2 for first 10 second and with uniform acceleration 5 ms-2 for next 20 seconds, then average acceleration of the body for 30 s is


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