the velocity of the body moving in a straight line with a constant acceleration is 10 m per sec at a certain instant time after 5s the velocity becomes 20m/sec the velocity 3s before t was:
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u=10m/S
V=20m/S
t=5 S
therefore
a= v-u/t = (20-10)/5 =2m/s^2
at time=3s.
V=u+at
=10+ 3*2 = 16 m/s
V=20m/S
t=5 S
therefore
a= v-u/t = (20-10)/5 =2m/s^2
at time=3s.
V=u+at
=10+ 3*2 = 16 m/s
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