Physics

Problem

A ball is dropped from the roof of a building. In the last second of its fall, it covers

45\%

of the total height of the building. Take

g = 10\,\text{m/s}^2

. The height of the building is approximately a)

100\,\text{m}

50\,\text{m}

75\,\text{m}

120\,\text{m}