an object with a mass 10 kg moves at a constant velocity of 10 m/s. a constant force that acts for 4 s on the object giving it a speed of 2 m/s in opposite direction. the acceleration produced is-
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Actually it's deacceleration
U=10m/s
V=u+at
-2=10+aX4
a=-3m/s^2
U=10m/s
V=u+at
-2=10+aX4
a=-3m/s^2
pr07:
and the answer too
you mentioned "speed" 2m/s
ok let me see
it should be velocity
when we consider velocity we take direction also
then velocity will be - 2 as in opp. direction
so.. - 2=10+at
a=-3
yeah got it
thanks
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