159k views
2 votes
You kick a soccer ball with a speed of 18 m/s at an angle of 43°. How long does it take the ball to reach the top of its trajectory?

User Evan Sharp
by
7.4k points

2 Answers

6 votes

Answer:

1.25 seconds

Step-by-step explanation:

A P E X

User Jack Wester
by
8.5k points
5 votes
It will of course depend on what planet you are playing on --
but assuming Earth:
v = v0 - g t
0 = 18 m/s sin(43 deg) - (9.81 m/s^2) t
t = 18 sin(43 deg)/(9.81) seconds = 1.25 s
User MacSalty
by
8.2k points