Question

A ball is thrown upward at an angle 30° to the horizontal and lands on the top edge of a building that is 20
maway and 5m high. How fast was the ball thrown.
1) 10m/s
2) 20m/s
4) 80m/s
3) 40m/s​

Answer 1

Answer:

2) 20m/s

Explanation:

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