# physics

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A bird is ﬂying with a speed of 19.0 m/s over
water when it accidentally drops a 2.50 kg
ﬁsh.
The acceleration of gravity is 9.81 m/s^2
If the altitude of the bird is 9.00 m and air
resistance is disregarded, what is the speed of
the ﬁsh when it hits the water?

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