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A falcon is soaring over a prairie, flying at a height of 31.0 m with a speed of 13.8 m/s. The falcon spots a mouse

A falcon is soaring over a prairie, flying at a height of 31.0 m with a speed of 13.8 m/s. The falcon spots a mouse running along the ground and dives to catch its dinner. Ignoring air resistance, and assuming the falcon is only subject to the gravitational force as it dives, how fast will the falcon be moving the instant it is 5.00 m above the ground?

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