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Ng a science experiment, your teacher drops a tennis ball out of a window. The ball hits the ground 1.9 seconds later.
(a) What was the ball's speed when it hit the ground? Ignore air resistance.
X m/sec
(b) What was the ball's average speed during the 1.9 seconds?
x m/sec
(c) How high was the windo?
x m
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Ng a science experiment, your teacher drops a tennis ball out of a window. The ball hits the ground...
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