The velocity of a body at any instant is 10m/s. After 5 sec, the velocity of the particle is 20m/s. The velocity at 3 seconds before is
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acceleration = (v-u)/t = (20-10)/5 = 2 m/s^2
velocity 3 seconds before:
time = 5-3 = 2sec
v = u +at = 10+2×2 = 14 m/s
velocity 3 seconds before:
time = 5-3 = 2sec
v = u +at = 10+2×2 = 14 m/s
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