an object is moving with velocity 10 /s a constant force act on for 4 sec on object and give it a speed of 2 m s I opposite direction the acceleration produce is
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U=velocity of a moving object=10m/s
V=speed= -2m/s we used -2m/s because of opposition direction
time=t=4 sec
V=U + at
-2 = 10 + a×4
-2-10=4a
-12=4a
a= -3m/s²
the acceleration that is produced is in the opposite direction same as the velocity is in opposite direction. so the object has positive acceleration,
a= -3m/s²
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