help pls all are giving wrong answer. only d and e
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d) At 3 sec and 7 sec
e)Distance travelled by car A
=1/2×10×35
=175m
e)Distance travelled by car B
=1/2×3×25+(5×25
=75/2+125
=37•5+125
=162•5 m
Car A is ahead by=175-162•5
=9•5 m
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