A particle is under uniform motion. It covers a total distance of 3000 m before accelerating at 4 m/s². It continues to move with a uniformacceleration of 4 m/s for the next 10 minutes. If the total time taken for the journey was 15 minutes, calculate the following:
1) the velocity of the object during the uniform motion
2) the final velocity of the object at the end of 15 minutes.
3) average speed of the particle
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Answer:
initial velocity =u
final velocity = v
v squared= u squared +2 aS s=displacement
=0 +2×4×3000
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