Question

an object moving with velocity 10m/s constant force acts for 4 sec onthe object and gives it a speed of2m/sec in opposite direction.The acceleration produced is

Answer 1

u=10m/s
V= -2m/s
t=4 sec
V= u + at
-2 = 10 + a×4
-2-10=4a
-12=4a
a= -3m/s²

Answer 2

➡️Kindly refer to the given attachment
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