kkswag4333 kkswag4333

22-06-2017
Physics

contestada

A hoodlum throws a stone vertically downward with an initial speed v0 from the roof of a building, a height h above the ground. (a) how long does it take the stone to reach the ground? (b) what is the speed of the stone at impact? give your answers in terms of the given variables and g.

Respuesta :

Tharindu Tharindu

23-06-2017

v2=u2+2as
v2=144+600
v2=744
v=√744

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