Respuesta :

chatnoir
to find the impact speed for an object that falls from rest, use the formula:

Vf = sqrt(2gh)

vf is the final velocity/impact speed
g is acceleration due to gravity (9.81m/s^2)
h is the height in metres

so sub the height into the formula and solve for Vf :-)
faithdavis4

Answer:

Explanation:

5.0 m/s

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