Question

pls solve this woth reason ​

Answer 1

Answer:

Both the velocities are different.

Explanation:

Velocity is not a scalar quantity, but it is a vector quantity. So direction must be taken into account when dealing with velocity.

Here, both the magnitudes of velocity are same, but the direction is not. So, the velocities are not equal.

The irrelevant question is - "which one is greater?". It is because, none is greater, they are different in terms of the direction of motion and not in terms of magnitude.

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Answer 2

(4)
First velocity will decrease due to gravity.
Then there will be a moment when velocity of ball becomes zero.
And atlast ball starts moving downward with constant acceleration so velocity will increase.