Question

in the following example try to identify the number of times the velocity of the ball changes. A football player kicks a football to another player of his team who kicked the football towards the goal. the goalkeeper of the opposite team collect the football and kicks it towards a player of his own team also identify the agents supplying the force in each case

Answer 1

The velocity of the football changes a total of 4 time.

The agents of suppliers in each case are (In Bold) :-

1. A football player kicks a football to another player of his team.
2. another player of his team who kicked the football towards the goal.
3. the goalkeeper of the opposite team collect the football.
4. the goalkeeper kicks it towards a player of his own team.

Answer 2

The velocity of the ball changed when:-

1st :- when the player kicks the ball towards his own team player.

2nd :- when another player kicks the ball towards the goalkeeper.

3rd :- when goalkeeper stops the ball.

4th :- when goalkeeper kicks the ball towards his team player.

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