Explanation:
It is given that,
Mass of the soccer ball, m = 0.425 kg
Speed of the ball, u = 15 m/s
Angle with horizontal, 
Time for which the player's foot is in contact with it, 
Part A,
The x component of the soccer ball's change in momentum is given by :



The y component of the soccer ball's change in momentum is given by :



Hence, this is the required solution.
Answer:
Because if they dont research first they will be unprepared
Explanation:
The answer will be
(1) correct
(2) correct
(3) the force of the soccer ball on the net
(4) Will not change
Hope this help
Uniform velocity means no Net force and therefore no acceleration. Acceleration only happens when the velocity changes.
The electrical symbols are very important especially when fixing electrical appliances because it tells you where the wire of neutral and live go.