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प्रश्न
A body when projected up with an initial velocity u goes to a maximum height h in time t and then comes back at the point of projection. The correct statement is ______________
विकल्प
The average velocity is 2 h/t.
The acceleration is zero.
The final velocity on reaching the point of projection is 2 u.
The displacement is zero.
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उत्तर
A body when projected up with an initial velocity u goes to a maximum height h in time t and then comes back at the point of projection. The correct statement is the displacement is zero.
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संबंधित प्रश्न
Which of the following is true for displacement?
- It cannot be zero.
- Its magnitude is greater than the distance travelled by the object.
An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 minutes 20 s?
A body travels a distance of 3 km towards East, then 4 km towards North and finally 9 km towards East.
What is the resultant displacement ?
What can you say about the nature of motion of a body if its displacement-time graph is A straight line parallel to the time axis?
Draw displacement – time graph for the following situation:
When a body is moving with uniform velocity.
Under what condition is the displacement of a body equal to the distance traveled by it?
Write two differences between distance and displacement.
Name the physical quantity associated with the rate of change of displacement with time.
Geetha takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s, calculate the distance between her house and the school.
A car starts from rest and moves along the x-axis with constant acceleration 5 ms–2 for 8 seconds. If it then continues with constant velocity, what distance will the car cover in 12 seconds since it started from the rest?
