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ppk ppk
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12 years ago
A person drops a brick from the top of a building. The height of the building is 400 m and the mass of the brick is 2.00 kg. What will be the speed of the brick right before it touches the ground? Use g = 10.0 m/s2.
A) 10.0 m/s
B) 13.2 m/s
C) 89.4 m/s
D) 59.4 m/s
E) 63.2 m/s
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duddyduddy
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