Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 15.0 m/s at an angle 63.0 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground. What is the vertical component of the ball’s velocity when it leaves Julie's hand?

Question

Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 15.0 m/s at an angle 63.0 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground.  What is the vertical component of the ball’s velocity when it leaves Julie's hand?

anonymous · Answer

15*sin(63)
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anonymous · Answer

It's asking for the vertical component when she catches it. Not throws it

anonymous · Answer

"What is the vertical component of the ball’s velocity when it leaves Julie's hand? "

anonymous · Answer

answering what you asked.

anonymous · Answer

Ur right sorry. Idk why it's telling me i have the wrong answer cause that's what I did

anonymous · Answer

the key here is that the ball makes the same angle with the horizontal when it comes back to the same level as it started|dw:1347980205914:dw|