Asked by Francesca
A baseball is hit off the edge of a cliff horizontally at a speed of 30 m/s. It takes the ball 3 seconds to reach the ground, with no air resistance. How high is the cliff wall?
Answers
Answered by
MathMate
This is a free fall situation.
The horizontal velocity has no effect on the time to reach ground.
Vertical distance,
X=0+(1/2)at^2
=0+(1/2)(-9.81)*3^2
=44 m approximately.
The horizontal velocity has no effect on the time to reach ground.
Vertical distance,
X=0+(1/2)at^2
=0+(1/2)(-9.81)*3^2
=44 m approximately.
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