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A particle moving with an initial velocity of 5m/s is subjected to a uniform acceleration of -2.5m/s2. Find the displacement in the next 4 sec.



U=5m/s, a=-2.5m/s2 time=4sec.
5×4+1/2 (-2.5)16
20+1/2(-2.5) 16
20+(-20 )
cancel +20 and-20=0

4 3 4
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