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allallcuy LC SLUHC ali TUVUCI LIIC VIII IL BCL Lake LUICACIT LIICIC!Q14(i)(ii)A bus is moving to the left (has a negative velocity) slows down and then comes to a stop:What is the direction of its acceleration? Is the acceleration positive or negative?What is the sign of acceleration that reduces the magnitude of a positive velocity?Synlain thonbucical chomical and biological factors which lead to the formation of coil15 |
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Answer» as we know ,v=u+at since initial speed was u in negative direction ,and final speed is zerogives 0=u+atand a=-u/t. 1)shows that acceleration will act in positive direction2)if velocity is positive so to reduce it's magnitude acceleration should be in negative direction. |
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