a soccer ball is kicked on the ground at 8m/s. another player is standing 30 m away.
if she needs to intercept it at 20m - how much time does she have and how fast must she run?
2 answers
"30 cm away" does not adequately describe her location relative to the path of the ball.
Assuming the ball is kicked toward the other player:
The ball reaches the 20m point in t = 20/8 = 2.5 sec. meaning the receiver must run at the speed of 10/2.5 = 4m/s to intercept the ball in the same 2.5sec. time period.
The ball reaches the 20m point in t = 20/8 = 2.5 sec. meaning the receiver must run at the speed of 10/2.5 = 4m/s to intercept the ball in the same 2.5sec. time period.
6 answers