The time of motion of the ball is determined as 12 ms.
How to calculate the time of motion of the ball?
The time of motion of the ball is calculated by applying the following formula as shown below;
F = ma
F = mv/t
where;
- F is the net force
- t is the time of motion
- m is mass
- v is velocity
the formula for momentum is given as;
P = mv
The new equation becomes;
F = P/t
t = P / F
The time of motion of the ball is calculated as;
t = ( 11 kg m/s ) / 910 N
t = 0.012 s
t = 12 ms
The complete question is below:
soccer player kicks a ball, changing its momentum by 11 kgm/s. The net force on the ball is 910 N. Find the time of motion of the ball.