Asked by Anonymous
A ball is thrown horizontally from the top of a building which is 30.6 meters tall. It lands 50.0 meters from the base of the building.
What was the launch speed of the ball?
What was the launch speed of the ball?
Answers
Answered by
unowen
First, we need the time before the ball hits the ground. This would be:
0=30.6-4.9t²
4.9t²=30.6
t=2.5 secs
50 meters/2.5 secs=20 m/s as the speed of the ball
☺☺☺☺
0=30.6-4.9t²
4.9t²=30.6
t=2.5 secs
50 meters/2.5 secs=20 m/s as the speed of the ball
☺☺☺☺
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