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Selina Solutions Class 9 Physics Solutions for Exercise 2A in Chapter 2 - Chapter 2 Motion In One Dimension

Question 29 Exercise 2A

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:

(a) The average velocity is 2h/t

(b) The acceleration is zero

(c) The final velocity on reaching the point of projection is 2u

(d) The displacement is zero

Answer:

(d) The displacement is zero

The displacement is zero if the initial and the final position of the body is the same.

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