Physics-
General
Easy
Question
A particle starts from rest and travels a distance with uniform acceleration, then it travels a distance with uniform speed, finally it travels a distance with uniform retardation and comes to rest. If the complete motion of the particle in a straight line then the ratio of its average velocity to maximum velocity in
- 6/7
- 4/5
- 3/5
- 2/5
The correct answer is: 3/5
When a particle is moving with uniform acceleration, let be the velocity of particle at a distance ,
Then average velocity
Time taken,
When particle moves with uniform velocity, time taken,
When particle moves with uniform acceleration,
Time taken,
Total time
or
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